Finding the Fourth Proportional to 11,588.18, 17,382.86 and 3,691.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,588.18 : 17,382.86 = 3,691.56 : x
2. Step 2: Convert to fraction form
   11,588.18/17,382.86 = 3,691.56/x
3. Step 3: Cross multiply
   11,588.18x = 17,382.86 × 3,691.56
4. Step 4: Simplify right side
   11,588.18x = 64,169,870.66
5. Step 5: Solve for x
   x = 64,169,870.66/11,588.18
6. Step 6: Final answer
   x = 5,537.53