Finding the Fourth Proportional to 1,347.31, 1,859.79 and 875.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.31 : 1,859.79 = 875.32 : x
2. Step 2: Convert to fraction form
   1,347.31/1,859.79 = 875.32/x
3. Step 3: Cross multiply
   1,347.31x = 1,859.79 × 875.32
4. Step 4: Simplify right side
   1,347.31x = 1,627,911.38
5. Step 5: Solve for x
   x = 1,627,911.38/1,347.31
6. Step 6: Final answer
   x = 1,208.27