Finding the Fourth Proportional to 11,693.29, 17,540.09 and 3,902.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,693.29 : 17,540.09 = 3,902.10 : x
2. Step 2: Convert to fraction form
   11,693.29/17,540.09 = 3,902.10/x
3. Step 3: Cross multiply
   11,693.29x = 17,540.09 × 3,902.10
4. Step 4: Simplify right side
   11,693.29x = 68,443,238.77
5. Step 5: Solve for x
   x = 68,443,238.77/11,693.29
6. Step 6: Final answer
   x = 5,853.21