Finding the Fourth Proportional to 2,315.32, 3,468.30 and 1,435.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.32 : 3,468.30 = 1,435.12 : x
2. Step 2: Convert to fraction form
   2,315.32/3,468.30 = 1,435.12/x
3. Step 3: Cross multiply
   2,315.32x = 3,468.30 × 1,435.12
4. Step 4: Simplify right side
   2,315.32x = 4,977,426.70
5. Step 5: Solve for x
   x = 4,977,426.70/2,315.32
6. Step 6: Final answer
   x = 2,149.78