Finding the Fourth Proportional to 4,870.32, 7,310.65 and 3,956.91

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.32 : 7,310.65 = 3,956.91 : x
2. Step 2: Convert to fraction form
   4,870.32/7,310.65 = 3,956.91/x
3. Step 3: Cross multiply
   4,870.32x = 7,310.65 × 3,956.91
4. Step 4: Simplify right side
   4,870.32x = 28,927,585.89
5. Step 5: Solve for x
   x = 28,927,585.89/4,870.32
6. Step 6: Final answer
   x = 5,939.56