Finding the Fourth Proportional to 22,685.24, 31,309.73 and 13,124.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,685.24 : 31,309.73 = 13,124.00 : x
2. Step 2: Convert to fraction form
   22,685.24/31,309.73 = 13,124.00/x
3. Step 3: Cross multiply
   22,685.24x = 31,309.73 × 13,124.00
4. Step 4: Simplify right side
   22,685.24x = 410,908,674.35
5. Step 5: Solve for x
   x = 410,908,674.35/22,685.24
6. Step 6: Final answer
   x = 18,113.49