Finding the Fourth Proportional to 17,920.29, 26,846.71 and 10,502.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,920.29 : 26,846.71 = 10,502.72 : x
2. Step 2: Convert to fraction form
   17,920.29/26,846.71 = 10,502.72/x
3. Step 3: Cross multiply
   17,920.29x = 26,846.71 × 10,502.72
4. Step 4: Simplify right side
   17,920.29x = 281,963,478.05
5. Step 5: Solve for x
   x = 281,963,478.05/17,920.29
6. Step 6: Final answer
   x = 15,734.31