Finding the Fourth Proportional to 1,053.55, 1,454.50 and 699.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.55 : 1,454.50 = 699.94 : x
2. Step 2: Convert to fraction form
   1,053.55/1,454.50 = 699.94/x
3. Step 3: Cross multiply
   1,053.55x = 1,454.50 × 699.94
4. Step 4: Simplify right side
   1,053.55x = 1,018,062.73
5. Step 5: Solve for x
   x = 1,018,062.73/1,053.55
6. Step 6: Final answer
   x = 966.32