Finding the Fourth Proportional to 2,601.63, 3,901.32 and 752.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.63 : 3,901.32 = 752.31 : x
2. Step 2: Convert to fraction form
   2,601.63/3,901.32 = 752.31/x
3. Step 3: Cross multiply
   2,601.63x = 3,901.32 × 752.31
4. Step 4: Simplify right side
   2,601.63x = 2,935,002.05
5. Step 5: Solve for x
   x = 2,935,002.05/2,601.63
6. Step 6: Final answer
   x = 1,128.14