Finding the Fourth Proportional to 78,158.80, 107,856.88 and 45,892.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,158.80 : 107,856.88 = 45,892.88 : x
2. Step 2: Convert to fraction form
   78,158.80/107,856.88 = 45,892.88/x
3. Step 3: Cross multiply
   78,158.80x = 107,856.88 × 45,892.88
4. Step 4: Simplify right side
   78,158.80x = 4,949,862,851.01
5. Step 5: Solve for x
   x = 4,949,862,851.01/78,158.80
6. Step 6: Final answer
   x = 63,330.85