Finding the Fourth Proportional to 1,099.22, 1,518.10 and 746.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.22 : 1,518.10 = 746.72 : x
2. Step 2: Convert to fraction form
   1,099.22/1,518.10 = 746.72/x
3. Step 3: Cross multiply
   1,099.22x = 1,518.10 × 746.72
4. Step 4: Simplify right side
   1,099.22x = 1,133,595.63
5. Step 5: Solve for x
   x = 1,133,595.63/1,099.22
6. Step 6: Final answer
   x = 1,031.27