Finding the Fourth Proportional to 22,819.52, 31,491.36 and 12,883.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,819.52 : 31,491.36 = 12,883.52 : x
2. Step 2: Convert to fraction form
   22,819.52/31,491.36 = 12,883.52/x
3. Step 3: Cross multiply
   22,819.52x = 31,491.36 × 12,883.52
4. Step 4: Simplify right side
   22,819.52x = 405,719,566.39
5. Step 5: Solve for x
   x = 405,719,566.39/22,819.52
6. Step 6: Final answer
   x = 17,779.50