Finding the Fourth Proportional to 2,172,668,404,733, 2,998,147,303,669.70 and 1,197,131,688,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,668,404,733 : 2,998,147,303,669.70 = 1,197,131,688,144 : x
2. Step 2: Convert to fraction form
   2,172,668,404,733/2,998,147,303,669.70 = 1,197,131,688,144/x
3. Step 3: Cross multiply
   2,172,668,404,733x = 2,998,147,303,669.70 × 1,197,131,688,144
4. Step 4: Simplify right side
   2,172,668,404,733x = 3,589,177,142,946,490,073,743,360
5. Step 5: Solve for x
   x = 3,589,177,142,946,490,073,743,360/2,172,668,404,733
6. Step 6: Final answer
   x = 1,651,967,292,904.77