Finding the Fourth Proportional to 22,485.87, 31,029.69 and 12,414.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,485.87 : 31,029.69 = 12,414.10 : x
2. Step 2: Convert to fraction form
   22,485.87/31,029.69 = 12,414.10/x
3. Step 3: Cross multiply
   22,485.87x = 31,029.69 × 12,414.10
4. Step 4: Simplify right side
   22,485.87x = 385,205,674.63
5. Step 5: Solve for x
   x = 385,205,674.63/22,485.87
6. Step 6: Final answer
   x = 17,131.01