Finding the Fourth Proportional to 22,506.76, 31,061.14 and 12,436.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,506.76 : 31,061.14 = 12,436.07 : x
2. Step 2: Convert to fraction form
   22,506.76/31,061.14 = 12,436.07/x
3. Step 3: Cross multiply
   22,506.76x = 31,061.14 × 12,436.07
4. Step 4: Simplify right side
   22,506.76x = 386,278,511.32
5. Step 5: Solve for x
   x = 386,278,511.32/22,506.76
6. Step 6: Final answer
   x = 17,162.78