Finding the Fourth Proportional to 60,561.54, 83,535.93 and 39,078.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,561.54 : 83,535.93 = 39,078.72 : x
2. Step 2: Convert to fraction form
   60,561.54/83,535.93 = 39,078.72/x
3. Step 3: Cross multiply
   60,561.54x = 83,535.93 × 39,078.72
4. Step 4: Simplify right side
   60,561.54x = 3,264,477,218.41
5. Step 5: Solve for x
   x = 3,264,477,218.41/60,561.54
6. Step 6: Final answer
   x = 53,903.47