Finding the Fourth Proportional to 6,781.30, 10,168.71 and 3,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,781.30 : 10,168.71 = 3,314.50 : x
2. Step 2: Convert to fraction form
   6,781.30/10,168.71 = 3,314.50/x
3. Step 3: Cross multiply
   6,781.30x = 10,168.71 × 3,314.50
4. Step 4: Simplify right side
   6,781.30x = 33,704,189.30
5. Step 5: Solve for x
   x = 33,704,189.30/6,781.30
6. Step 6: Final answer
   x = 4,970.17