Finding the Fourth Proportional to 1,401.31, 2,104.31 and 875.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.31 : 2,104.31 = 875.44 : x
2. Step 2: Convert to fraction form
   1,401.31/2,104.31 = 875.44/x
3. Step 3: Cross multiply
   1,401.31x = 2,104.31 × 875.44
4. Step 4: Simplify right side
   1,401.31x = 1,842,192.91
5. Step 5: Solve for x
   x = 1,842,192.91/1,401.31
6. Step 6: Final answer
   x = 1,314.62