Finding the Fourth Proportional to 1,100.34, 1,517.74 and 657.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.34 : 1,517.74 = 657.94 : x
2. Step 2: Convert to fraction form
   1,100.34/1,517.74 = 657.94/x
3. Step 3: Cross multiply
   1,100.34x = 1,517.74 × 657.94
4. Step 4: Simplify right side
   1,100.34x = 998,581.86
5. Step 5: Solve for x
   x = 998,581.86/1,100.34
6. Step 6: Final answer
   x = 907.52