Finding the Fourth Proportional to 498,002.50, 747,010.23 and 165,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,002.50 : 747,010.23 = 165,578.50 : x
2. Step 2: Convert to fraction form
   498,002.50/747,010.23 = 165,578.50/x
3. Step 3: Cross multiply
   498,002.50x = 747,010.23 × 165,578.50
4. Step 4: Simplify right side
   498,002.50x = 123,688,833,368.06
5. Step 5: Solve for x
   x = 123,688,833,368.06/498,002.50
6. Step 6: Final answer
   x = 248,369.90