Finding the Fourth Proportional to 22,477.30, 31,031.10 and 13,527

Step by Step Solution

1. Step 1: Write the proportion equation
   22,477.30 : 31,031.10 = 13,527 : x
2. Step 2: Convert to fraction form
   22,477.30/31,031.10 = 13,527/x
3. Step 3: Cross multiply
   22,477.30x = 31,031.10 × 13,527
4. Step 4: Simplify right side
   22,477.30x = 419,757,689.70
5. Step 5: Solve for x
   x = 419,757,689.70/22,477.30
6. Step 6: Final answer
   x = 18,674.74