Finding the Fourth Proportional to 1,053.22, 1,454.06 and 699.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.22 : 1,454.06 = 699.62 : x
2. Step 2: Convert to fraction form
   1,053.22/1,454.06 = 699.62/x
3. Step 3: Cross multiply
   1,053.22x = 1,454.06 × 699.62
4. Step 4: Simplify right side
   1,053.22x = 1,017,289.46
5. Step 5: Solve for x
   x = 1,017,289.46/1,053.22
6. Step 6: Final answer
   x = 965.89