Finding the Fourth Proportional to 7,443.17, 11,165.78 and 2,762.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.17 : 11,165.78 = 2,762.78 : x
2. Step 2: Convert to fraction form
   7,443.17/11,165.78 = 2,762.78/x
3. Step 3: Cross multiply
   7,443.17x = 11,165.78 × 2,762.78
4. Step 4: Simplify right side
   7,443.17x = 30,848,592.01
5. Step 5: Solve for x
   x = 30,848,592.01/7,443.17
6. Step 6: Final answer
   x = 4,144.55