Finding the Fourth Proportional to 9,995.42, 14,993.40 and 2,599.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,995.42 : 14,993.40 = 2,599.72 : x
2. Step 2: Convert to fraction form
   9,995.42/14,993.40 = 2,599.72/x
3. Step 3: Cross multiply
   9,995.42x = 14,993.40 × 2,599.72
4. Step 4: Simplify right side
   9,995.42x = 38,978,641.85
5. Step 5: Solve for x
   x = 38,978,641.85/9,995.42
6. Step 6: Final answer
   x = 3,899.65