Finding the Fourth Proportional to 22,519.47, 31,080.72 and 13,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,519.47 : 31,080.72 = 13,093.50 : x
2. Step 2: Convert to fraction form
   22,519.47/31,080.72 = 13,093.50/x
3. Step 3: Cross multiply
   22,519.47x = 31,080.72 × 13,093.50
4. Step 4: Simplify right side
   22,519.47x = 406,955,407.32
5. Step 5: Solve for x
   x = 406,955,407.32/22,519.47
6. Step 6: Final answer
   x = 18,071.27