Finding the Fourth Proportional to 1,162.38, 1,604.65 and 784.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.38 : 1,604.65 = 784.37 : x
2. Step 2: Convert to fraction form
   1,162.38/1,604.65 = 784.37/x
3. Step 3: Cross multiply
   1,162.38x = 1,604.65 × 784.37
4. Step 4: Simplify right side
   1,162.38x = 1,258,639.32
5. Step 5: Solve for x
   x = 1,258,639.32/1,162.38
6. Step 6: Final answer
   x = 1,082.81