Finding the Fourth Proportional to 1,499.76, 2,247.72 and 632.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.76 : 2,247.72 = 632.88 : x
2. Step 2: Convert to fraction form
   1,499.76/2,247.72 = 632.88/x
3. Step 3: Cross multiply
   1,499.76x = 2,247.72 × 632.88
4. Step 4: Simplify right side
   1,499.76x = 1,422,537.03
5. Step 5: Solve for x
   x = 1,422,537.03/1,499.76
6. Step 6: Final answer
   x = 948.51