Finding the Fourth Proportional to 7,030.24, 9,701.72 and 3,886.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,030.24 : 9,701.72 = 3,886.42 : x
2. Step 2: Convert to fraction form
   7,030.24/9,701.72 = 3,886.42/x
3. Step 3: Cross multiply
   7,030.24x = 9,701.72 × 3,886.42
4. Step 4: Simplify right side
   7,030.24x = 37,704,958.64
5. Step 5: Solve for x
   x = 37,704,958.64/7,030.24
6. Step 6: Final answer
   x = 5,363.25