Finding the Fourth Proportional to 2,410.29, 3,326.90 and 1,415.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.29 : 3,326.90 = 1,415.61 : x
2. Step 2: Convert to fraction form
   2,410.29/3,326.90 = 1,415.61/x
3. Step 3: Cross multiply
   2,410.29x = 3,326.90 × 1,415.61
4. Step 4: Simplify right side
   2,410.29x = 4,709,585.83
5. Step 5: Solve for x
   x = 4,709,585.83/2,410.29
6. Step 6: Final answer
   x = 1,953.95