Finding the Fourth Proportional to 7,003.95, 9,665.10 and 3,860.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.95 : 9,665.10 = 3,860.07 : x
2. Step 2: Convert to fraction form
   7,003.95/9,665.10 = 3,860.07/x
3. Step 3: Cross multiply
   7,003.95x = 9,665.10 × 3,860.07
4. Step 4: Simplify right side
   7,003.95x = 37,307,962.56
5. Step 5: Solve for x
   x = 37,307,962.56/7,003.95
6. Step 6: Final answer
   x = 5,326.70