Finding the Fourth Proportional to 9,781.02, 14,671.71 and 3,207.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781.02 : 14,671.71 = 3,207.69 : x
2. Step 2: Convert to fraction form
   9,781.02/14,671.71 = 3,207.69/x
3. Step 3: Cross multiply
   9,781.02x = 14,671.71 × 3,207.69
4. Step 4: Simplify right side
   9,781.02x = 47,062,297.45
5. Step 5: Solve for x
   x = 47,062,297.45/9,781.02
6. Step 6: Final answer
   x = 4,811.59