Finding the Fourth Proportional to 60,799.60, 83,904.86 and 38,139.55

Step by Step Solution

1. Step 1: Write the proportion equation
   60,799.60 : 83,904.86 = 38,139.55 : x
2. Step 2: Convert to fraction form
   60,799.60/83,904.86 = 38,139.55/x
3. Step 3: Cross multiply
   60,799.60x = 83,904.86 × 38,139.55
4. Step 4: Simplify right side
   60,799.60x = 3,200,093,279.04
5. Step 5: Solve for x
   x = 3,200,093,279.04/60,799.60
6. Step 6: Final answer
   x = 52,633.46