Finding the Fourth Proportional to 22,555.68, 31,126.90 and 12,484.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,555.68 : 31,126.90 = 12,484.82 : x
2. Step 2: Convert to fraction form
   22,555.68/31,126.90 = 12,484.82/x
3. Step 3: Cross multiply
   22,555.68x = 31,126.90 × 12,484.82
4. Step 4: Simplify right side
   22,555.68x = 388,613,588.02
5. Step 5: Solve for x
   x = 388,613,588.02/22,555.68
6. Step 6: Final answer
   x = 17,229.08