Finding the Fourth Proportional to 146,837,573.47, 220,057,949.49 and 55,911,561.31

Step by Step Solution

1. Step 1: Write the proportion equation
   146,837,573.47 : 220,057,949.49 = 55,911,561.31 : x
2. Step 2: Convert to fraction form
   146,837,573.47/220,057,949.49 = 55,911,561.31/x
3. Step 3: Cross multiply
   146,837,573.47x = 220,057,949.49 × 55,911,561.31
4. Step 4: Simplify right side
   146,837,573.47x = 12,303,783,534,663,020
5. Step 5: Solve for x
   x = 12,303,783,534,663,020/146,837,573.47
6. Step 6: Final answer
   x = 83,791,792.82