Finding the Fourth Proportional to 78,327.18, 108,088.58 and 42,516.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,327.18 : 108,088.58 = 42,516.43 : x
2. Step 2: Convert to fraction form
   78,327.18/108,088.58 = 42,516.43/x
3. Step 3: Cross multiply
   78,327.18x = 108,088.58 × 42,516.43
4. Step 4: Simplify right side
   78,327.18x = 4,595,540,381.44
5. Step 5: Solve for x
   x = 4,595,540,381.44/78,327.18
6. Step 6: Final answer
   x = 58,671.08