Finding the Fourth Proportional to 11,588.27, 17,381.48 and 3,691.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,588.27 : 17,381.48 = 3,691.08 : x
2. Step 2: Convert to fraction form
   11,588.27/17,381.48 = 3,691.08/x
3. Step 3: Cross multiply
   11,588.27x = 17,381.48 × 3,691.08
4. Step 4: Simplify right side
   11,588.27x = 64,156,414.74
5. Step 5: Solve for x
   x = 64,156,414.74/11,588.27
6. Step 6: Final answer
   x = 5,536.33