Finding the Fourth Proportional to 78,789.62, 118,184.56 and 23,385.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,789.62 : 118,184.56 = 23,385.62 : x
2. Step 2: Convert to fraction form
   78,789.62/118,184.56 = 23,385.62/x
3. Step 3: Cross multiply
   78,789.62x = 118,184.56 × 23,385.62
4. Step 4: Simplify right side
   78,789.62x = 2,763,819,210.03
5. Step 5: Solve for x
   x = 2,763,819,210.03/78,789.62
6. Step 6: Final answer
   x = 35,078.47