Finding the Fourth Proportional to 7,242.98, 10,868.58 and 3,911.19

Step by Step Solution

1. Step 1: Write the proportion equation
   7,242.98 : 10,868.58 = 3,911.19 : x
2. Step 2: Convert to fraction form
   7,242.98/10,868.58 = 3,911.19/x
3. Step 3: Cross multiply
   7,242.98x = 10,868.58 × 3,911.19
4. Step 4: Simplify right side
   7,242.98x = 42,509,081.41
5. Step 5: Solve for x
   x = 42,509,081.41/7,242.98
6. Step 6: Final answer
   x = 5,869.00