Finding the Fourth Proportional to 59,458.72, 89,117 and 45,308.84

Step by Step Solution

1. Step 1: Write the proportion equation
   59,458.72 : 89,117 = 45,308.84 : x
2. Step 2: Convert to fraction form
   59,458.72/89,117 = 45,308.84/x
3. Step 3: Cross multiply
   59,458.72x = 89,117 × 45,308.84
4. Step 4: Simplify right side
   59,458.72x = 4,037,787,894.28
5. Step 5: Solve for x
   x = 4,037,787,894.28/59,458.72
6. Step 6: Final answer
   x = 67,909.10