Finding the Fourth Proportional to 62,393.57, 86,078.71 and 38,478.73

Step by Step Solution

1. Step 1: Write the proportion equation
   62,393.57 : 86,078.71 = 38,478.73 : x
2. Step 2: Convert to fraction form
   62,393.57/86,078.71 = 38,478.73/x
3. Step 3: Cross multiply
   62,393.57x = 86,078.71 × 38,478.73
4. Step 4: Simplify right side
   62,393.57x = 3,312,199,440.84
5. Step 5: Solve for x
   x = 3,312,199,440.84/62,393.57
6. Step 6: Final answer
   x = 53,085.59