Finding the Fourth Proportional to 2,262.20, 3,392.15 and 875.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.20 : 3,392.15 = 875.88 : x
2. Step 2: Convert to fraction form
   2,262.20/3,392.15 = 875.88/x
3. Step 3: Cross multiply
   2,262.20x = 3,392.15 × 875.88
4. Step 4: Simplify right side
   2,262.20x = 2,971,111.96
5. Step 5: Solve for x
   x = 2,971,111.96/2,262.20
6. Step 6: Final answer
   x = 1,313.38