Finding the Fourth Proportional to 6,428.84, 8,870.65 and 3,595.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428.84 : 8,870.65 = 3,595.33 : x
2. Step 2: Convert to fraction form
   6,428.84/8,870.65 = 3,595.33/x
3. Step 3: Cross multiply
   6,428.84x = 8,870.65 × 3,595.33
4. Step 4: Simplify right side
   6,428.84x = 31,892,914.06
5. Step 5: Solve for x
   x = 31,892,914.06/6,428.84
6. Step 6: Final answer
   x = 4,960.91