Finding the Fourth Proportional to 66,500.96, 91,771.32 and 42,627.68

Step by Step Solution

1. Step 1: Write the proportion equation
   66,500.96 : 91,771.32 = 42,627.68 : x
2. Step 2: Convert to fraction form
   66,500.96/91,771.32 = 42,627.68/x
3. Step 3: Cross multiply
   66,500.96x = 91,771.32 × 42,627.68
4. Step 4: Simplify right side
   66,500.96x = 3,911,998,003.28
5. Step 5: Solve for x
   x = 3,911,998,003.28/66,500.96
6. Step 6: Final answer
   x = 58,826.19