Finding the Fourth Proportional to 123,528.47, 185,290.75 and 39,287.42

Step by Step Solution

1. Step 1: Write the proportion equation
   123,528.47 : 185,290.75 = 39,287.42 : x
2. Step 2: Convert to fraction form
   123,528.47/185,290.75 = 39,287.42/x
3. Step 3: Cross multiply
   123,528.47x = 185,290.75 × 39,287.42
4. Step 4: Simplify right side
   123,528.47x = 7,279,595,517.37
5. Step 5: Solve for x
   x = 7,279,595,517.37/123,528.47
6. Step 6: Final answer
   x = 58,930.51