Finding the Fourth Proportional to 1,672.22, 2,508.89 and 632.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.22 : 2,508.89 = 632.52 : x
2. Step 2: Convert to fraction form
   1,672.22/2,508.89 = 632.52/x
3. Step 3: Cross multiply
   1,672.22x = 2,508.89 × 632.52
4. Step 4: Simplify right side
   1,672.22x = 1,586,915.28
5. Step 5: Solve for x
   x = 1,586,915.28/1,672.22
6. Step 6: Final answer
   x = 948.99