Finding the Fourth Proportional to 25,498.56, 38,220.50 and 12,332.82

Step by Step Solution

1. Step 1: Write the proportion equation
   25,498.56 : 38,220.50 = 12,332.82 : x
2. Step 2: Convert to fraction form
   25,498.56/38,220.50 = 12,332.82/x
3. Step 3: Cross multiply
   25,498.56x = 38,220.50 × 12,332.82
4. Step 4: Simplify right side
   25,498.56x = 471,366,485.15
5. Step 5: Solve for x
   x = 471,366,485.15/25,498.56
6. Step 6: Final answer
   x = 18,486.00