Finding the Fourth Proportional to 2,716.38, 3,748.42 and 1,521.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,716.38 : 3,748.42 = 1,521.15 : x
2. Step 2: Convert to fraction form
   2,716.38/3,748.42 = 1,521.15/x
3. Step 3: Cross multiply
   2,716.38x = 3,748.42 × 1,521.15
4. Step 4: Simplify right side
   2,716.38x = 5,701,909.08
5. Step 5: Solve for x
   x = 5,701,909.08/2,716.38
6. Step 6: Final answer
   x = 2,099.08