Finding the Fourth Proportional to 2,108.64, 3,162.24 and 875.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.64 : 3,162.24 = 875.37 : x
2. Step 2: Convert to fraction form
   2,108.64/3,162.24 = 875.37/x
3. Step 3: Cross multiply
   2,108.64x = 3,162.24 × 875.37
4. Step 4: Simplify right side
   2,108.64x = 2,768,130.03
5. Step 5: Solve for x
   x = 2,768,130.03/2,108.64
6. Step 6: Final answer
   x = 1,312.76