Finding the Fourth Proportional to 7,002.48, 9,663.42 and 3,858.66

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.48 : 9,663.42 = 3,858.66 : x
2. Step 2: Convert to fraction form
   7,002.48/9,663.42 = 3,858.66/x
3. Step 3: Cross multiply
   7,002.48x = 9,663.42 × 3,858.66
4. Step 4: Simplify right side
   7,002.48x = 37,287,852.22
5. Step 5: Solve for x
   x = 37,287,852.22/7,002.48
6. Step 6: Final answer
   x = 5,324.95