Finding the Fourth Proportional to 76,856.52, 106,059.24 and 42,863.16

Step by Step Solution

1. Step 1: Write the proportion equation
   76,856.52 : 106,059.24 = 42,863.16 : x
2. Step 2: Convert to fraction form
   76,856.52/106,059.24 = 42,863.16/x
3. Step 3: Cross multiply
   76,856.52x = 106,059.24 × 42,863.16
4. Step 4: Simplify right side
   76,856.52x = 4,546,034,173.60
5. Step 5: Solve for x
   x = 4,546,034,173.60/76,856.52
6. Step 6: Final answer
   x = 59,149.62