Finding the Fourth Proportional to 5,547.48, 7,642.50 and 3,865.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,547.48 : 7,642.50 = 3,865.83 : x
2. Step 2: Convert to fraction form
   5,547.48/7,642.50 = 3,865.83/x
3. Step 3: Cross multiply
   5,547.48x = 7,642.50 × 3,865.83
4. Step 4: Simplify right side
   5,547.48x = 29,544,562.62
5. Step 5: Solve for x
   x = 29,544,562.62/5,547.48
6. Step 6: Final answer
   x = 5,325.77