Finding the Fourth Proportional to 4,996.72, 7,494.33 and 3,142.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,996.72 : 7,494.33 = 3,142.18 : x
2. Step 2: Convert to fraction form
   4,996.72/7,494.33 = 3,142.18/x
3. Step 3: Cross multiply
   4,996.72x = 7,494.33 × 3,142.18
4. Step 4: Simplify right side
   4,996.72x = 23,548,533.84
5. Step 5: Solve for x
   x = 23,548,533.84/4,996.72
6. Step 6: Final answer
   x = 4,712.80