Finding the Fourth Proportional to 2,762.09, 4,141.55 and 912.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.09 : 4,141.55 = 912.69 : x
2. Step 2: Convert to fraction form
   2,762.09/4,141.55 = 912.69/x
3. Step 3: Cross multiply
   2,762.09x = 4,141.55 × 912.69
4. Step 4: Simplify right side
   2,762.09x = 3,779,946.71
5. Step 5: Solve for x
   x = 3,779,946.71/2,762.09
6. Step 6: Final answer
   x = 1,368.51