Finding the Fourth Proportional to 1,114.43, 1,538.06 and 695.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114.43 : 1,538.06 = 695.21 : x
2. Step 2: Convert to fraction form
   1,114.43/1,538.06 = 695.21/x
3. Step 3: Cross multiply
   1,114.43x = 1,538.06 × 695.21
4. Step 4: Simplify right side
   1,114.43x = 1,069,263.53
5. Step 5: Solve for x
   x = 1,069,263.53/1,114.43
6. Step 6: Final answer
   x = 959.48