Finding the Fourth Proportional to 3,061.14, 4,588.88 and 1,112.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.14 : 4,588.88 = 1,112.90 : x
2. Step 2: Convert to fraction form
   3,061.14/4,588.88 = 1,112.90/x
3. Step 3: Cross multiply
   3,061.14x = 4,588.88 × 1,112.90
4. Step 4: Simplify right side
   3,061.14x = 5,106,964.55
5. Step 5: Solve for x
   x = 5,106,964.55/3,061.14
6. Step 6: Final answer
   x = 1,668.32