Finding the Fourth Proportional to 78,822.32, 108,819.08 and 54,658.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,822.32 : 108,819.08 = 54,658.32 : x
2. Step 2: Convert to fraction form
   78,822.32/108,819.08 = 54,658.32/x
3. Step 3: Cross multiply
   78,822.32x = 108,819.08 × 54,658.32
4. Step 4: Simplify right side
   78,822.32x = 5,947,868,096.75
5. Step 5: Solve for x
   x = 5,947,868,096.75/78,822.32
6. Step 6: Final answer
   x = 75,459.19