Finding the Fourth Proportional to 2,038.90, 3,054.30 and 1,112.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.90 : 3,054.30 = 1,112.80 : x
2. Step 2: Convert to fraction form
   2,038.90/3,054.30 = 1,112.80/x
3. Step 3: Cross multiply
   2,038.90x = 3,054.30 × 1,112.80
4. Step 4: Simplify right side
   2,038.90x = 3,398,825.04
5. Step 5: Solve for x
   x = 3,398,825.04/2,038.90
6. Step 6: Final answer
   x = 1,666.99