Finding the Fourth Proportional to 6,428.56, 8,870.92 and 3,595.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428.56 : 8,870.92 = 3,595.92 : x
2. Step 2: Convert to fraction form
   6,428.56/8,870.92 = 3,595.92/x
3. Step 3: Cross multiply
   6,428.56x = 8,870.92 × 3,595.92
4. Step 4: Simplify right side
   6,428.56x = 31,899,118.65
5. Step 5: Solve for x
   x = 31,899,118.65/6,428.56
6. Step 6: Final answer
   x = 4,962.09