Finding the Fourth Proportional to 60,881.76, 91,341.10 and 43,146.71

Step by Step Solution

1. Step 1: Write the proportion equation
   60,881.76 : 91,341.10 = 43,146.71 : x
2. Step 2: Convert to fraction form
   60,881.76/91,341.10 = 43,146.71/x
3. Step 3: Cross multiply
   60,881.76x = 91,341.10 × 43,146.71
4. Step 4: Simplify right side
   60,881.76x = 3,941,067,952.78
5. Step 5: Solve for x
   x = 3,941,067,952.78/60,881.76
6. Step 6: Final answer
   x = 64,733.15