Finding the Fourth Proportional to 1,691.86, 2,537.89 and 956.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691.86 : 2,537.89 = 956.18 : x
2. Step 2: Convert to fraction form
   1,691.86/2,537.89 = 956.18/x
3. Step 3: Cross multiply
   1,691.86x = 2,537.89 × 956.18
4. Step 4: Simplify right side
   1,691.86x = 2,426,679.66
5. Step 5: Solve for x
   x = 2,426,679.66/1,691.86
6. Step 6: Final answer
   x = 1,434.33