Finding the Fourth Proportional to 2,910.33, 4,364.73 and 1,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.33 : 4,364.73 = 1,061.28 : x
2. Step 2: Convert to fraction form
   2,910.33/4,364.73 = 1,061.28/x
3. Step 3: Cross multiply
   2,910.33x = 4,364.73 × 1,061.28
4. Step 4: Simplify right side
   2,910.33x = 4,632,200.65
5. Step 5: Solve for x
   x = 4,632,200.65/2,910.33
6. Step 6: Final answer
   x = 1,591.64