Finding the Fourth Proportional to 1,077.33, 1,608.25 and 913.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077.33 : 1,608.25 = 913.35 : x
2. Step 2: Convert to fraction form
   1,077.33/1,608.25 = 913.35/x
3. Step 3: Cross multiply
   1,077.33x = 1,608.25 × 913.35
4. Step 4: Simplify right side
   1,077.33x = 1,468,892.85
5. Step 5: Solve for x
   x = 1,468,892.85/1,077.33
6. Step 6: Final answer
   x = 1,363.46