Finding the Fourth Proportional to 6,862.64, 9,470.47 and 3,718.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,862.64 : 9,470.47 = 3,718.82 : x
2. Step 2: Convert to fraction form
   6,862.64/9,470.47 = 3,718.82/x
3. Step 3: Cross multiply
   6,862.64x = 9,470.47 × 3,718.82
4. Step 4: Simplify right side
   6,862.64x = 35,218,973.25
5. Step 5: Solve for x
   x = 35,218,973.25/6,862.64
6. Step 6: Final answer
   x = 5,131.99