Finding the Fourth Proportional to 22,476.30, 31,016.68 and 12,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,476.30 : 31,016.68 = 12,404.56 : x
2. Step 2: Convert to fraction form
   22,476.30/31,016.68 = 12,404.56/x
3. Step 3: Cross multiply
   22,476.30x = 31,016.68 × 12,404.56
4. Step 4: Simplify right side
   22,476.30x = 384,748,268.06
5. Step 5: Solve for x
   x = 384,748,268.06/22,476.30
6. Step 6: Final answer
   x = 17,117.95