Finding the Fourth Proportional to 22,930.17, 31,642.49 and 13,498.13

Step by Step Solution

1. Step 1: Write the proportion equation
   22,930.17 : 31,642.49 = 13,498.13 : x
2. Step 2: Convert to fraction form
   22,930.17/31,642.49 = 13,498.13/x
3. Step 3: Cross multiply
   22,930.17x = 31,642.49 × 13,498.13
4. Step 4: Simplify right side
   22,930.17x = 427,114,217.84
5. Step 5: Solve for x
   x = 427,114,217.84/22,930.17
6. Step 6: Final answer
   x = 18,626.74