Finding the Fourth Proportional to 22,874.32, 31,566.72 and 12,803.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,874.32 : 31,566.72 = 12,803.69 : x
2. Step 2: Convert to fraction form
   22,874.32/31,566.72 = 12,803.69/x
3. Step 3: Cross multiply
   22,874.32x = 31,566.72 × 12,803.69
4. Step 4: Simplify right side
   22,874.32x = 404,170,497.20
5. Step 5: Solve for x
   x = 404,170,497.20/22,874.32
6. Step 6: Final answer
   x = 17,669.18