Finding the Fourth Proportional to 11,381.31, 17,074.53 and 3,589.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,381.31 : 17,074.53 = 3,589.92 : x
2. Step 2: Convert to fraction form
   11,381.31/17,074.53 = 3,589.92/x
3. Step 3: Cross multiply
   11,381.31x = 17,074.53 × 3,589.92
4. Step 4: Simplify right side
   11,381.31x = 61,296,196.74
5. Step 5: Solve for x
   x = 61,296,196.74/11,381.31
6. Step 6: Final answer
   x = 5,385.69