Finding the Fourth Proportional to 1,865.52, 2,797.56 and 632.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.52 : 2,797.56 = 632.72 : x
2. Step 2: Convert to fraction form
   1,865.52/2,797.56 = 632.72/x
3. Step 3: Cross multiply
   1,865.52x = 2,797.56 × 632.72
4. Step 4: Simplify right side
   1,865.52x = 1,770,072.16
5. Step 5: Solve for x
   x = 1,770,072.16/1,865.52
6. Step 6: Final answer
   x = 948.84