Finding the Fourth Proportional to 77,116.86, 115,596.51 and 43,766.49

Step by Step Solution

1. Step 1: Write the proportion equation
   77,116.86 : 115,596.51 = 43,766.49 : x
2. Step 2: Convert to fraction form
   77,116.86/115,596.51 = 43,766.49/x
3. Step 3: Cross multiply
   77,116.86x = 115,596.51 × 43,766.49
4. Step 4: Simplify right side
   77,116.86x = 5,059,253,498.95
5. Step 5: Solve for x
   x = 5,059,253,498.95/77,116.86
6. Step 6: Final answer
   x = 65,605.02