Finding the Fourth Proportional to 2,402.01, 3,600.54 and 920.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.01 : 3,600.54 = 920.88 : x
2. Step 2: Convert to fraction form
   2,402.01/3,600.54 = 920.88/x
3. Step 3: Cross multiply
   2,402.01x = 3,600.54 × 920.88
4. Step 4: Simplify right side
   2,402.01x = 3,315,665.28
5. Step 5: Solve for x
   x = 3,315,665.28/2,402.01
6. Step 6: Final answer
   x = 1,380.37