Finding the Fourth Proportional to 2,513.30, 3,764.46 and 1,212.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.30 : 3,764.46 = 1,212.04 : x
2. Step 2: Convert to fraction form
   2,513.30/3,764.46 = 1,212.04/x
3. Step 3: Cross multiply
   2,513.30x = 3,764.46 × 1,212.04
4. Step 4: Simplify right side
   2,513.30x = 4,562,657.28
5. Step 5: Solve for x
   x = 4,562,657.28/2,513.30
6. Step 6: Final answer
   x = 1,815.40