Finding the Fourth Proportional to 624,210.72, 861,404.67 and 337,724.52

Step by Step Solution

1. Step 1: Write the proportion equation
   624,210.72 : 861,404.67 = 337,724.52 : x
2. Step 2: Convert to fraction form
   624,210.72/861,404.67 = 337,724.52/x
3. Step 3: Cross multiply
   624,210.72x = 861,404.67 × 337,724.52
4. Step 4: Simplify right side
   624,210.72x = 290,917,478,701.51
5. Step 5: Solve for x
   x = 290,917,478,701.51/624,210.72
6. Step 6: Final answer
   x = 466,056.52