Finding the Fourth Proportional to 22,465.88, 31,002.84 and 12,257

Step by Step Solution

1. Step 1: Write the proportion equation
   22,465.88 : 31,002.84 = 12,257 : x
2. Step 2: Convert to fraction form
   22,465.88/31,002.84 = 12,257/x
3. Step 3: Cross multiply
   22,465.88x = 31,002.84 × 12,257
4. Step 4: Simplify right side
   22,465.88x = 380,001,809.88
5. Step 5: Solve for x
   x = 380,001,809.88/22,465.88
6. Step 6: Final answer
   x = 16,914.62