Finding the Fourth Proportional to 11,131.58, 16,684.53 and 5,588.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.58 : 16,684.53 = 5,588.75 : x
2. Step 2: Convert to fraction form
   11,131.58/16,684.53 = 5,588.75/x
3. Step 3: Cross multiply
   11,131.58x = 16,684.53 × 5,588.75
4. Step 4: Simplify right side
   11,131.58x = 93,245,583.61
5. Step 5: Solve for x
   x = 93,245,583.61/11,131.58
6. Step 6: Final answer
   x = 8,376.67