Finding the Fourth Proportional to 78,899.43, 118,385.73 and 34,520.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,899.43 : 118,385.73 = 34,520.34 : x
2. Step 2: Convert to fraction form
   78,899.43/118,385.73 = 34,520.34/x
3. Step 3: Cross multiply
   78,899.43x = 118,385.73 × 34,520.34
4. Step 4: Simplify right side
   78,899.43x = 4,086,715,650.75
5. Step 5: Solve for x
   x = 4,086,715,650.75/78,899.43
6. Step 6: Final answer
   x = 51,796.52