Finding the Fourth Proportional to 22,817.52, 31,487.76 and 12,881.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,817.52 : 31,487.76 = 12,881.52 : x
2. Step 2: Convert to fraction form
   22,817.52/31,487.76 = 12,881.52/x
3. Step 3: Cross multiply
   22,817.52x = 31,487.76 × 12,881.52
4. Step 4: Simplify right side
   22,817.52x = 405,610,210.20
5. Step 5: Solve for x
   x = 405,610,210.20/22,817.52
6. Step 6: Final answer
   x = 17,776.26