Finding the Fourth Proportional to 1,137.73, 1,570.14 and 695.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.73 : 1,570.14 = 695.50 : x
2. Step 2: Convert to fraction form
   1,137.73/1,570.14 = 695.50/x
3. Step 3: Cross multiply
   1,137.73x = 1,570.14 × 695.50
4. Step 4: Simplify right side
   1,137.73x = 1,092,032.37
5. Step 5: Solve for x
   x = 1,092,032.37/1,137.73
6. Step 6: Final answer
   x = 959.83