Finding the Fourth Proportional to 1,825.20, 2,738.82 and 785.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.20 : 2,738.82 = 785.16 : x
2. Step 2: Convert to fraction form
   1,825.20/2,738.82 = 785.16/x
3. Step 3: Cross multiply
   1,825.20x = 2,738.82 × 785.16
4. Step 4: Simplify right side
   1,825.20x = 2,150,411.91
5. Step 5: Solve for x
   x = 2,150,411.91/1,825.20
6. Step 6: Final answer
   x = 1,178.18