Finding the Fourth Proportional to 6,428.05, 8,870.52 and 3,595.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428.05 : 8,870.52 = 3,595.42 : x
2. Step 2: Convert to fraction form
   6,428.05/8,870.52 = 3,595.42/x
3. Step 3: Cross multiply
   6,428.05x = 8,870.52 × 3,595.42
4. Step 4: Simplify right side
   6,428.05x = 31,893,245.02
5. Step 5: Solve for x
   x = 31,893,245.02/6,428.05
6. Step 6: Final answer
   x = 4,961.57