Finding the Fourth Proportional to 2,108.52, 3,164.04 and 875.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.52 : 3,164.04 = 875.76 : x
2. Step 2: Convert to fraction form
   2,108.52/3,164.04 = 875.76/x
3. Step 3: Cross multiply
   2,108.52x = 3,164.04 × 875.76
4. Step 4: Simplify right side
   2,108.52x = 2,770,939.67
5. Step 5: Solve for x
   x = 2,770,939.67/2,108.52
6. Step 6: Final answer
   x = 1,314.16