Finding the Fourth Proportional to 22,527.52, 31,083.04 and 13,091.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,527.52 : 31,083.04 = 13,091.20 : x
2. Step 2: Convert to fraction form
   22,527.52/31,083.04 = 13,091.20/x
3. Step 3: Cross multiply
   22,527.52x = 31,083.04 × 13,091.20
4. Step 4: Simplify right side
   22,527.52x = 406,914,293.25
5. Step 5: Solve for x
   x = 406,914,293.25/22,527.52
6. Step 6: Final answer
   x = 18,062.99