Finding the Fourth Proportional to 5,562.47, 7,665.59 and 3,987.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,562.47 : 7,665.59 = 3,987.83 : x
2. Step 2: Convert to fraction form
   5,562.47/7,665.59 = 3,987.83/x
3. Step 3: Cross multiply
   5,562.47x = 7,665.59 × 3,987.83
4. Step 4: Simplify right side
   5,562.47x = 30,569,011.50
5. Step 5: Solve for x
   x = 30,569,011.50/5,562.47
6. Step 6: Final answer
   x = 5,495.59