Finding the Fourth Proportional to 1,099.42, 1,516.98 and 657.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.42 : 1,516.98 = 657.52 : x
2. Step 2: Convert to fraction form
   1,099.42/1,516.98 = 657.52/x
3. Step 3: Cross multiply
   1,099.42x = 1,516.98 × 657.52
4. Step 4: Simplify right side
   1,099.42x = 997,444.69
5. Step 5: Solve for x
   x = 997,444.69/1,099.42
6. Step 6: Final answer
   x = 907.25