Finding the Fourth Proportional to 2,892.80, 4,339.38 and 945.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.80 : 4,339.38 = 945.02 : x
2. Step 2: Convert to fraction form
   2,892.80/4,339.38 = 945.02/x
3. Step 3: Cross multiply
   2,892.80x = 4,339.38 × 945.02
4. Step 4: Simplify right side
   2,892.80x = 4,100,800.89
5. Step 5: Solve for x
   x = 4,100,800.89/2,892.80
6. Step 6: Final answer
   x = 1,417.59