Finding the Fourth Proportional to 53,311.52, 80,019.12 and 25,628.96

Step by Step Solution

1. Step 1: Write the proportion equation
   53,311.52 : 80,019.12 = 25,628.96 : x
2. Step 2: Convert to fraction form
   53,311.52/80,019.12 = 25,628.96/x
3. Step 3: Cross multiply
   53,311.52x = 80,019.12 × 25,628.96
4. Step 4: Simplify right side
   53,311.52x = 2,050,806,825.72
5. Step 5: Solve for x
   x = 2,050,806,825.72/53,311.52
6. Step 6: Final answer
   x = 38,468.36