Finding the Fourth Proportional to 123,656.64, 185,498.56 and 39,397.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,656.64 : 185,498.56 = 39,397.20 : x
2. Step 2: Convert to fraction form
   123,656.64/185,498.56 = 39,397.20/x
3. Step 3: Cross multiply
   123,656.64x = 185,498.56 × 39,397.20
4. Step 4: Simplify right side
   123,656.64x = 7,308,123,868.03
5. Step 5: Solve for x
   x = 7,308,123,868.03/123,656.64
6. Step 6: Final answer
   x = 59,100.13