Finding the Fourth Proportional to 78,504.71, 108,335.47 and 42,693.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,504.71 : 108,335.47 = 42,693.95 : x
2. Step 2: Convert to fraction form
   78,504.71/108,335.47 = 42,693.95/x
3. Step 3: Cross multiply
   78,504.71x = 108,335.47 × 42,693.95
4. Step 4: Simplify right side
   78,504.71x = 4,625,269,139.41
5. Step 5: Solve for x
   x = 4,625,269,139.41/78,504.71
6. Step 6: Final answer
   x = 58,917.09