Finding the Fourth Proportional to 1,104.58, 1,524.01 and 632.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.58 : 1,524.01 = 632.30 : x
2. Step 2: Convert to fraction form
   1,104.58/1,524.01 = 632.30/x
3. Step 3: Cross multiply
   1,104.58x = 1,524.01 × 632.30
4. Step 4: Simplify right side
   1,104.58x = 963,631.52
5. Step 5: Solve for x
   x = 963,631.52/1,104.58
6. Step 6: Final answer
   x = 872.40