Finding the Fourth Proportional to 1,137.48, 1,569.69 and 695.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.48 : 1,569.69 = 695.31 : x
2. Step 2: Convert to fraction form
   1,137.48/1,569.69 = 695.31/x
3. Step 3: Cross multiply
   1,137.48x = 1,569.69 × 695.31
4. Step 4: Simplify right side
   1,137.48x = 1,091,421.15
5. Step 5: Solve for x
   x = 1,091,421.15/1,137.48
6. Step 6: Final answer
   x = 959.51