Finding the Fourth Proportional to 3,738.18, 5,592.14 and 3,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,738.18 : 5,592.14 = 3,123.12 : x
2. Step 2: Convert to fraction form
   3,738.18/5,592.14 = 3,123.12/x
3. Step 3: Cross multiply
   3,738.18x = 5,592.14 × 3,123.12
4. Step 4: Simplify right side
   3,738.18x = 17,464,924.28
5. Step 5: Solve for x
   x = 17,464,924.28/3,738.18
6. Step 6: Final answer
   x = 4,672.04