Finding the Fourth Proportional to 498,005, 747,013.98 and 165,581

Step by Step Solution

1. Step 1: Write the proportion equation
   498,005 : 747,013.98 = 165,581 : x
2. Step 2: Convert to fraction form
   498,005/747,013.98 = 165,581/x
3. Step 3: Cross multiply
   498,005x = 747,013.98 × 165,581
4. Step 4: Simplify right side
   498,005x = 123,691,321,822.38
5. Step 5: Solve for x
   x = 123,691,321,822.38/498,005
6. Step 6: Final answer
   x = 248,373.65