Finding the Fourth Proportional to 60,856.38, 91,289.39 and 21,422.34

Step by Step Solution

1. Step 1: Write the proportion equation
   60,856.38 : 91,289.39 = 21,422.34 : x
2. Step 2: Convert to fraction form
   60,856.38/91,289.39 = 21,422.34/x
3. Step 3: Cross multiply
   60,856.38x = 91,289.39 × 21,422.34
4. Step 4: Simplify right side
   60,856.38x = 1,955,632,243.86
5. Step 5: Solve for x
   x = 1,955,632,243.86/60,856.38
6. Step 6: Final answer
   x = 32,135.20