Finding the Fourth Proportional to 123,674.18, 185,540.39 and 98,469.02

Step by Step Solution

1. Step 1: Write the proportion equation
   123,674.18 : 185,540.39 = 98,469.02 : x
2. Step 2: Convert to fraction form
   123,674.18/185,540.39 = 98,469.02/x
3. Step 3: Cross multiply
   123,674.18x = 185,540.39 × 98,469.02
4. Step 4: Simplify right side
   123,674.18x = 18,269,980,373.72
5. Step 5: Solve for x
   x = 18,269,980,373.72/123,674.18
6. Step 6: Final answer
   x = 147,726.72