Finding the Fourth Proportional to 7,152.03, 9,870.82 and 3,966.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152.03 : 9,870.82 = 3,966.04 : x
2. Step 2: Convert to fraction form
   7,152.03/9,870.82 = 3,966.04/x
3. Step 3: Cross multiply
   7,152.03x = 9,870.82 × 3,966.04
4. Step 4: Simplify right side
   7,152.03x = 39,148,036.16
5. Step 5: Solve for x
   x = 39,148,036.16/7,152.03
6. Step 6: Final answer
   x = 5,473.70