Finding the Fourth Proportional to 59,749.92, 89,643.71 and 28,158.70

Step by Step Solution

1. Step 1: Write the proportion equation
   59,749.92 : 89,643.71 = 28,158.70 : x
2. Step 2: Convert to fraction form
   59,749.92/89,643.71 = 28,158.70/x
3. Step 3: Cross multiply
   59,749.92x = 89,643.71 × 28,158.70
4. Step 4: Simplify right side
   59,749.92x = 2,524,250,336.78
5. Step 5: Solve for x
   x = 2,524,250,336.78/59,749.92
6. Step 6: Final answer
   x = 42,246.92