Finding the Fourth Proportional to 2,699.94, 3,726.12 and 1,521.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.94 : 3,726.12 = 1,521.12 : x
2. Step 2: Convert to fraction form
   2,699.94/3,726.12 = 1,521.12/x
3. Step 3: Cross multiply
   2,699.94x = 3,726.12 × 1,521.12
4. Step 4: Simplify right side
   2,699.94x = 5,667,875.65
5. Step 5: Solve for x
   x = 5,667,875.65/2,699.94
6. Step 6: Final answer
   x = 2,099.26