Finding the Fourth Proportional to 2,892.80, 4,340.82 and 1,045.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.80 : 4,340.82 = 1,045.46 : x
2. Step 2: Convert to fraction form
   2,892.80/4,340.82 = 1,045.46/x
3. Step 3: Cross multiply
   2,892.80x = 4,340.82 × 1,045.46
4. Step 4: Simplify right side
   2,892.80x = 4,538,131.97
5. Step 5: Solve for x
   x = 4,538,131.97/2,892.80
6. Step 6: Final answer
   x = 1,568.77