Finding the Fourth Proportional to 6,435.33, 8,864.91 and 5,488.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,435.33 : 8,864.91 = 5,488.05 : x
2. Step 2: Convert to fraction form
   6,435.33/8,864.91 = 5,488.05/x
3. Step 3: Cross multiply
   6,435.33x = 8,864.91 × 5,488.05
4. Step 4: Simplify right side
   6,435.33x = 48,651,069.33
5. Step 5: Solve for x
   x = 48,651,069.33/6,435.33
6. Step 6: Final answer
   x = 7,560.00