Finding the Fourth Proportional to 22,485.91, 31,030.38 and 12,414.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,485.91 : 31,030.38 = 12,414.34 : x
2. Step 2: Convert to fraction form
   22,485.91/31,030.38 = 12,414.34/x
3. Step 3: Cross multiply
   22,485.91x = 31,030.38 × 12,414.34
4. Step 4: Simplify right side
   22,485.91x = 385,221,687.65
5. Step 5: Solve for x
   x = 385,221,687.65/22,485.91
6. Step 6: Final answer
   x = 17,131.69