Finding the Fourth Proportional to 60,825.72, 83,978.99 and 54,441.26

Step by Step Solution

1. Step 1: Write the proportion equation
   60,825.72 : 83,978.99 = 54,441.26 : x
2. Step 2: Convert to fraction form
   60,825.72/83,978.99 = 54,441.26/x
3. Step 3: Cross multiply
   60,825.72x = 83,978.99 × 54,441.26
4. Step 4: Simplify right side
   60,825.72x = 4,571,921,337.03
5. Step 5: Solve for x
   x = 4,571,921,337.03/60,825.72
6. Step 6: Final answer
   x = 75,164.28