Finding the Fourth Proportional to 2,307.37, 3,462.43 and 1,212.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.37 : 3,462.43 = 1,212.05 : x
2. Step 2: Convert to fraction form
   2,307.37/3,462.43 = 1,212.05/x
3. Step 3: Cross multiply
   2,307.37x = 3,462.43 × 1,212.05
4. Step 4: Simplify right side
   2,307.37x = 4,196,638.28
5. Step 5: Solve for x
   x = 4,196,638.28/2,307.37
6. Step 6: Final answer
   x = 1,818.80