Finding the Fourth Proportional to 22,513.14, 31,061.34 and 13,079.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,513.14 : 31,061.34 = 13,079.88 : x
2. Step 2: Convert to fraction form
   22,513.14/31,061.34 = 13,079.88/x
3. Step 3: Cross multiply
   22,513.14x = 31,061.34 × 13,079.88
4. Step 4: Simplify right side
   22,513.14x = 406,278,599.84
5. Step 5: Solve for x
   x = 406,278,599.84/22,513.14
6. Step 6: Final answer
   x = 18,046.29