Finding the Fourth Proportional to 2,434.86, 3,360.10 and 1,315.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.86 : 3,360.10 = 1,315.79 : x
2. Step 2: Convert to fraction form
   2,434.86/3,360.10 = 1,315.79/x
3. Step 3: Cross multiply
   2,434.86x = 3,360.10 × 1,315.79
4. Step 4: Simplify right side
   2,434.86x = 4,421,185.98
5. Step 5: Solve for x
   x = 4,421,185.98/2,434.86
6. Step 6: Final answer
   x = 1,815.79