Finding the Fourth Proportional to 486,710.79, 730,092.17 and 149,982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   486,710.79 : 730,092.17 = 149,982.72 : x
2. Step 2: Convert to fraction form
   486,710.79/730,092.17 = 149,982.72/x
3. Step 3: Cross multiply
   486,710.79x = 730,092.17 × 149,982.72
4. Step 4: Simplify right side
   486,710.79x = 109,501,209,507.30
5. Step 5: Solve for x
   x = 109,501,209,507.30/486,710.79
6. Step 6: Final answer
   x = 224,982.09