Finding the Fourth Proportional to 404,102.77, 606,132.18 and 123,620.02

Step by Step Solution

1. Step 1: Write the proportion equation
   404,102.77 : 606,132.18 = 123,620.02 : x
2. Step 2: Convert to fraction form
   404,102.77/606,132.18 = 123,620.02/x
3. Step 3: Cross multiply
   404,102.77x = 606,132.18 × 123,620.02
4. Step 4: Simplify right side
   404,102.77x = 74,930,068,565.48
5. Step 5: Solve for x
   x = 74,930,068,565.48/404,102.77
6. Step 6: Final answer
   x = 185,423.30