Finding the Fourth Proportional to 3,870.97, 5,343.32 and 2,299.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.97 : 5,343.32 = 2,299.07 : x
2. Step 2: Convert to fraction form
   3,870.97/5,343.32 = 2,299.07/x
3. Step 3: Cross multiply
   3,870.97x = 5,343.32 × 2,299.07
4. Step 4: Simplify right side
   3,870.97x = 12,284,655.22
5. Step 5: Solve for x
   x = 12,284,655.22/3,870.97
6. Step 6: Final answer
   x = 3,173.54