Finding the Fourth Proportional to 22,803.03, 31,468.10 and 12,731.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,803.03 : 31,468.10 = 12,731.38 : x
2. Step 2: Convert to fraction form
   22,803.03/31,468.10 = 12,731.38/x
3. Step 3: Cross multiply
   22,803.03x = 31,468.10 × 12,731.38
4. Step 4: Simplify right side
   22,803.03x = 400,632,196.65
5. Step 5: Solve for x
   x = 400,632,196.65/22,803.03
6. Step 6: Final answer
   x = 17,569.25