Finding the Fourth Proportional to 1,812,166,064.05, 2,499,372,430.68 and 1,177,291,111.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812,166,064.05 : 2,499,372,430.68 = 1,177,291,111.45 : x
2. Step 2: Convert to fraction form
   1,812,166,064.05/2,499,372,430.68 = 1,177,291,111.45/x
3. Step 3: Cross multiply
   1,812,166,064.05x = 2,499,372,430.68 × 1,177,291,111.45
4. Step 4: Simplify right side
   1,812,166,064.05x = 2,942,488,946,842,745,344
5. Step 5: Solve for x
   x = 2,942,488,946,842,745,344/1,812,166,064.05
6. Step 6: Final answer
   x = 1,623,741,336.52