Finding the Fourth Proportional to 6,875.15, 10,314.47 and 3,179.99

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.15 : 10,314.47 = 3,179.99 : x
2. Step 2: Convert to fraction form
   6,875.15/10,314.47 = 3,179.99/x
3. Step 3: Cross multiply
   6,875.15x = 10,314.47 × 3,179.99
4. Step 4: Simplify right side
   6,875.15x = 32,799,945.19
5. Step 5: Solve for x
   x = 32,799,945.19/6,875.15
6. Step 6: Final answer
   x = 4,770.80