Finding the Fourth Proportional to 2,435.59, 3,651.72 and 875.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.59 : 3,651.72 = 875.57 : x
2. Step 2: Convert to fraction form
   2,435.59/3,651.72 = 875.57/x
3. Step 3: Cross multiply
   2,435.59x = 3,651.72 × 875.57
4. Step 4: Simplify right side
   2,435.59x = 3,197,314.94
5. Step 5: Solve for x
   x = 3,197,314.94/2,435.59
6. Step 6: Final answer
   x = 1,312.75