Finding the Fourth Proportional to 6,870.47, 9,482.67 and 3,886.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.47 : 9,482.67 = 3,886.43 : x
2. Step 2: Convert to fraction form
   6,870.47/9,482.67 = 3,886.43/x
3. Step 3: Cross multiply
   6,870.47x = 9,482.67 × 3,886.43
4. Step 4: Simplify right side
   6,870.47x = 36,853,713.74
5. Step 5: Solve for x
   x = 36,853,713.74/6,870.47
6. Step 6: Final answer
   x = 5,364.07