Finding the Fourth Proportional to 1,935.30, 2,669.76 and 1,148.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,935.30 : 2,669.76 = 1,148.79 : x
2. Step 2: Convert to fraction form
   1,935.30/2,669.76 = 1,148.79/x
3. Step 3: Cross multiply
   1,935.30x = 2,669.76 × 1,148.79
4. Step 4: Simplify right side
   1,935.30x = 3,066,993.59
5. Step 5: Solve for x
   x = 3,066,993.59/1,935.30
6. Step 6: Final answer
   x = 1,584.76