Finding the Fourth Proportional to 1,099.89, 1,648.17 and 752.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.89 : 1,648.17 = 752.00 : x
2. Step 2: Convert to fraction form
   1,099.89/1,648.17 = 752.00/x
3. Step 3: Cross multiply
   1,099.89x = 1,648.17 × 752.00
4. Step 4: Simplify right side
   1,099.89x = 1,239,415.60
5. Step 5: Solve for x
   x = 1,239,415.60/1,099.89
6. Step 6: Final answer
   x = 1,126.85