Finding the Fourth Proportional to 22,527.71, 31,090.56 and 12,967.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,527.71 : 31,090.56 = 12,967.96 : x
2. Step 2: Convert to fraction form
   22,527.71/31,090.56 = 12,967.96/x
3. Step 3: Cross multiply
   22,527.71x = 31,090.56 × 12,967.96
4. Step 4: Simplify right side
   22,527.71x = 403,180,983.00
5. Step 5: Solve for x
   x = 403,180,983.00/22,527.71
6. Step 6: Final answer
   x = 17,897.11