Finding the Fourth Proportional to 7,065.02, 9,749.85 and 3,878.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,065.02 : 9,749.85 = 3,878.62 : x
2. Step 2: Convert to fraction form
   7,065.02/9,749.85 = 3,878.62/x
3. Step 3: Cross multiply
   7,065.02x = 9,749.85 × 3,878.62
4. Step 4: Simplify right side
   7,065.02x = 37,815,938.83
5. Step 5: Solve for x
   x = 37,815,938.83/7,065.02
6. Step 6: Final answer
   x = 5,352.56