Finding the Fourth Proportional to 9,690.86, 14,536.35 and 2,671.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,690.86 : 14,536.35 = 2,671.25 : x
2. Step 2: Convert to fraction form
   9,690.86/14,536.35 = 2,671.25/x
3. Step 3: Cross multiply
   9,690.86x = 14,536.35 × 2,671.25
4. Step 4: Simplify right side
   9,690.86x = 38,830,288.05
5. Step 5: Solve for x
   x = 38,830,288.05/9,690.86
6. Step 6: Final answer
   x = 4,006.90