Finding the Fourth Proportional to 1,151.51, 1,588.25 and 702.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.51 : 1,588.25 = 702.86 : x
2. Step 2: Convert to fraction form
   1,151.51/1,588.25 = 702.86/x
3. Step 3: Cross multiply
   1,151.51x = 1,588.25 × 702.86
4. Step 4: Simplify right side
   1,151.51x = 1,116,305.94
5. Step 5: Solve for x
   x = 1,116,305.94/1,151.51
6. Step 6: Final answer
   x = 969.43