Finding the Fourth Proportional to 2,715.94, 3,748.18 and 1,521.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.94 : 3,748.18 = 1,521.04 : x
2. Step 2: Convert to fraction form
   2,715.94/3,748.18 = 1,521.04/x
3. Step 3: Cross multiply
   2,715.94x = 3,748.18 × 1,521.04
4. Step 4: Simplify right side
   2,715.94x = 5,701,131.71
5. Step 5: Solve for x
   x = 5,701,131.71/2,715.94
6. Step 6: Final answer
   x = 2,099.14