Finding the Fourth Proportional to 488,139.72, 732,280.86 and 151,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   488,139.72 : 732,280.86 = 151,210.50 : x
2. Step 2: Convert to fraction form
   488,139.72/732,280.86 = 151,210.50/x
3. Step 3: Cross multiply
   488,139.72x = 732,280.86 × 151,210.50
4. Step 4: Simplify right side
   488,139.72x = 110,728,554,981.03
5. Step 5: Solve for x
   x = 110,728,554,981.03/488,139.72
6. Step 6: Final answer
   x = 226,837.83