Finding the Fourth Proportional to 2,875.52, 4,312.37 and 927.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.52 : 4,312.37 = 927.27 : x
2. Step 2: Convert to fraction form
   2,875.52/4,312.37 = 927.27/x
3. Step 3: Cross multiply
   2,875.52x = 4,312.37 × 927.27
4. Step 4: Simplify right side
   2,875.52x = 3,998,726.69
5. Step 5: Solve for x
   x = 3,998,726.69/2,875.52
6. Step 6: Final answer
   x = 1,390.61