Finding the Fourth Proportional to 22,525.54, 31,085.06 and 12,454.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,525.54 : 31,085.06 = 12,454.72 : x
2. Step 2: Convert to fraction form
   22,525.54/31,085.06 = 12,454.72/x
3. Step 3: Cross multiply
   22,525.54x = 31,085.06 × 12,454.72
4. Step 4: Simplify right side
   22,525.54x = 387,155,718.48
5. Step 5: Solve for x
   x = 387,155,718.48/22,525.54
6. Step 6: Final answer
   x = 17,187.41