Finding the Fourth Proportional to 2,510.22, 3,760.47 and 1,212.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.22 : 3,760.47 = 1,212.60 : x
2. Step 2: Convert to fraction form
   2,510.22/3,760.47 = 1,212.60/x
3. Step 3: Cross multiply
   2,510.22x = 3,760.47 × 1,212.60
4. Step 4: Simplify right side
   2,510.22x = 4,559,945.92
5. Step 5: Solve for x
   x = 4,559,945.92/2,510.22
6. Step 6: Final answer
   x = 1,816.55