Finding the Fourth Proportional to 4,012.38, 6,003.98 and 3,312.54

Step by Step Solution

1. Step 1: Write the proportion equation
   4,012.38 : 6,003.98 = 3,312.54 : x
2. Step 2: Convert to fraction form
   4,012.38/6,003.98 = 3,312.54/x
3. Step 3: Cross multiply
   4,012.38x = 6,003.98 × 3,312.54
4. Step 4: Simplify right side
   4,012.38x = 19,888,423.91
5. Step 5: Solve for x
   x = 19,888,423.91/4,012.38
6. Step 6: Final answer
   x = 4,956.76