Finding the Fourth Proportional to 6,952.86, 10,429.20 and 1,687.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,952.86 : 10,429.20 = 1,687.91 : x
2. Step 2: Convert to fraction form
   6,952.86/10,429.20 = 1,687.91/x
3. Step 3: Cross multiply
   6,952.86x = 10,429.20 × 1,687.91
4. Step 4: Simplify right side
   6,952.86x = 17,603,490.39
5. Step 5: Solve for x
   x = 17,603,490.39/6,952.86
6. Step 6: Final answer
   x = 2,531.83