Finding the Fourth Proportional to 2,875.24, 4,312.97 and 1,315.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.24 : 4,312.97 = 1,315.33 : x
2. Step 2: Convert to fraction form
   2,875.24/4,312.97 = 1,315.33/x
3. Step 3: Cross multiply
   2,875.24x = 4,312.97 × 1,315.33
4. Step 4: Simplify right side
   2,875.24x = 5,672,978.83
5. Step 5: Solve for x
   x = 5,672,978.83/2,875.24
6. Step 6: Final answer
   x = 1,973.05