Finding the Fourth Proportional to 78,784.69, 108,763.02 and 60,839.41

Step by Step Solution

1. Step 1: Write the proportion equation
   78,784.69 : 108,763.02 = 60,839.41 : x
2. Step 2: Convert to fraction form
   78,784.69/108,763.02 = 60,839.41/x
3. Step 3: Cross multiply
   78,784.69x = 108,763.02 × 60,839.41
4. Step 4: Simplify right side
   78,784.69x = 6,617,077,966.62
5. Step 5: Solve for x
   x = 6,617,077,966.62/78,784.69
6. Step 6: Final answer
   x = 83,989.39