Finding the Fourth Proportional to 7,002.52, 9,663.91 and 3,858.70

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.52 : 9,663.91 = 3,858.70 : x
2. Step 2: Convert to fraction form
   7,002.52/9,663.91 = 3,858.70/x
3. Step 3: Cross multiply
   7,002.52x = 9,663.91 × 3,858.70
4. Step 4: Simplify right side
   7,002.52x = 37,290,129.52
5. Step 5: Solve for x
   x = 37,290,129.52/7,002.52
6. Step 6: Final answer
   x = 5,325.24