Finding the Fourth Proportional to 11,131.50, 16,697.18 and 4,557.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.50 : 16,697.18 = 4,557.68 : x
2. Step 2: Convert to fraction form
   11,131.50/16,697.18 = 4,557.68/x
3. Step 3: Cross multiply
   11,131.50x = 16,697.18 × 4,557.68
4. Step 4: Simplify right side
   11,131.50x = 76,100,403.34
5. Step 5: Solve for x
   x = 76,100,403.34/11,131.50
6. Step 6: Final answer
   x = 6,836.49