Finding the Fourth Proportional to 22,582.71, 31,168.50 and 13,028.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,582.71 : 31,168.50 = 13,028.77 : x
2. Step 2: Convert to fraction form
   22,582.71/31,168.50 = 13,028.77/x
3. Step 3: Cross multiply
   22,582.71x = 31,168.50 × 13,028.77
4. Step 4: Simplify right side
   22,582.71x = 406,087,139.49
5. Step 5: Solve for x
   x = 406,087,139.49/22,582.71
6. Step 6: Final answer
   x = 17,982.21