Finding the Fourth Proportional to 78,872.16, 108,844.32 and 43,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,872.16 : 108,844.32 = 43,062.72 : x
2. Step 2: Convert to fraction form
   78,872.16/108,844.32 = 43,062.72/x
3. Step 3: Cross multiply
   78,872.16x = 108,844.32 × 43,062.72
4. Step 4: Simplify right side
   78,872.16x = 4,687,132,475.75
5. Step 5: Solve for x
   x = 4,687,132,475.75/78,872.16
6. Step 6: Final answer
   x = 59,426.96