Finding the Fourth Proportional to 1,150.42, 1,587.58 and 626.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.42 : 1,587.58 = 626.46 : x
2. Step 2: Convert to fraction form
   1,150.42/1,587.58 = 626.46/x
3. Step 3: Cross multiply
   1,150.42x = 1,587.58 × 626.46
4. Step 4: Simplify right side
   1,150.42x = 994,549.00
5. Step 5: Solve for x
   x = 994,549.00/1,150.42
6. Step 6: Final answer
   x = 864.51