Finding the Fourth Proportional to 58,127.38, 80,239.89 and 39,290.02

Step by Step Solution

1. Step 1: Write the proportion equation
   58,127.38 : 80,239.89 = 39,290.02 : x
2. Step 2: Convert to fraction form
   58,127.38/80,239.89 = 39,290.02/x
3. Step 3: Cross multiply
   58,127.38x = 80,239.89 × 39,290.02
4. Step 4: Simplify right side
   58,127.38x = 3,152,626,882.90
5. Step 5: Solve for x
   x = 3,152,626,882.90/58,127.38
6. Step 6: Final answer
   x = 54,236.52