Finding the Fourth Proportional to 60,086.67, 90,535.64 and 49,785.90

Step by Step Solution

1. Step 1: Write the proportion equation
   60,086.67 : 90,535.64 = 49,785.90 : x
2. Step 2: Convert to fraction form
   60,086.67/90,535.64 = 49,785.90/x
3. Step 3: Cross multiply
   60,086.67x = 90,535.64 × 49,785.90
4. Step 4: Simplify right side
   60,086.67x = 4,507,398,070.55
5. Step 5: Solve for x
   x = 4,507,398,070.55/60,086.67
6. Step 6: Final answer
   x = 75,014.94