Finding the Fourth Proportional to 1,835.96, 2,751.84 and 912.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835.96 : 2,751.84 = 912.15 : x
2. Step 2: Convert to fraction form
   1,835.96/2,751.84 = 912.15/x
3. Step 3: Cross multiply
   1,835.96x = 2,751.84 × 912.15
4. Step 4: Simplify right side
   1,835.96x = 2,510,090.86
5. Step 5: Solve for x
   x = 2,510,090.86/1,835.96
6. Step 6: Final answer
   x = 1,367.19