Finding the Fourth Proportional to 314,984,646.72, 472,499,670.50 and 120,896,061.90

Step by Step Solution

1. Step 1: Write the proportion equation
   314,984,646.72 : 472,499,670.50 = 120,896,061.90 : x
2. Step 2: Convert to fraction form
   314,984,646.72/472,499,670.50 = 120,896,061.90/x
3. Step 3: Cross multiply
   314,984,646.72x = 472,499,670.50 × 120,896,061.90
4. Step 4: Simplify right side
   314,984,646.72x = 57,123,349,409,963,128
5. Step 5: Solve for x
   x = 57,123,349,409,963,128/314,984,646.72
6. Step 6: Final answer
   x = 181,352,805.62