Finding the Fourth Proportional to 78,872.41, 108,846.50 and 43,065.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,872.41 : 108,846.50 = 43,065.15 : x
2. Step 2: Convert to fraction form
   78,872.41/108,846.50 = 43,065.15/x
3. Step 3: Cross multiply
   78,872.41x = 108,846.50 × 43,065.15
4. Step 4: Simplify right side
   78,872.41x = 4,687,490,849.48
5. Step 5: Solve for x
   x = 4,687,490,849.48/78,872.41
6. Step 6: Final answer
   x = 59,431.31