Finding the Fourth Proportional to 6,428.16, 8,870.18 and 3,595.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428.16 : 8,870.18 = 3,595.25 : x
2. Step 2: Convert to fraction form
   6,428.16/8,870.18 = 3,595.25/x
3. Step 3: Cross multiply
   6,428.16x = 8,870.18 × 3,595.25
4. Step 4: Simplify right side
   6,428.16x = 31,890,452.32
5. Step 5: Solve for x
   x = 31,890,452.32/6,428.16
6. Step 6: Final answer
   x = 4,961.05