Finding the Fourth Proportional to 7,008.98, 9,672.42 and 3,865.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,008.98 : 9,672.42 = 3,865.16 : x
2. Step 2: Convert to fraction form
   7,008.98/9,672.42 = 3,865.16/x
3. Step 3: Cross multiply
   7,008.98x = 9,672.42 × 3,865.16
4. Step 4: Simplify right side
   7,008.98x = 37,385,450.89
5. Step 5: Solve for x
   x = 37,385,450.89/7,008.98
6. Step 6: Final answer
   x = 5,333.94