Finding the Fourth Proportional to 3,212.72, 4,816.16 and 1,237.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,212.72 : 4,816.16 = 1,237.10 : x
2. Step 2: Convert to fraction form
   3,212.72/4,816.16 = 1,237.10/x
3. Step 3: Cross multiply
   3,212.72x = 4,816.16 × 1,237.10
4. Step 4: Simplify right side
   3,212.72x = 5,958,041.27
5. Step 5: Solve for x
   x = 5,958,041.27/3,212.72
6. Step 6: Final answer
   x = 1,854.52