Finding the Fourth Proportional to 2,938.72, 4,055.18 and 1,612.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.72 : 4,055.18 = 1,612.42 : x
2. Step 2: Convert to fraction form
   2,938.72/4,055.18 = 1,612.42/x
3. Step 3: Cross multiply
   2,938.72x = 4,055.18 × 1,612.42
4. Step 4: Simplify right side
   2,938.72x = 6,538,653.34
5. Step 5: Solve for x
   x = 6,538,653.34/2,938.72
6. Step 6: Final answer
   x = 2,225.00