Finding the Fourth Proportional to 10,417.83, 15,623.49 and 3,490.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,417.83 : 15,623.49 = 3,490.71 : x
2. Step 2: Convert to fraction form
   10,417.83/15,623.49 = 3,490.71/x
3. Step 3: Cross multiply
   10,417.83x = 15,623.49 × 3,490.71
4. Step 4: Simplify right side
   10,417.83x = 54,537,072.78
5. Step 5: Solve for x
   x = 54,537,072.78/10,417.83
6. Step 6: Final answer
   x = 5,234.97