Finding the Fourth Proportional to 3,100.08, 4,650.28 and 1,225.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.08 : 4,650.28 = 1,225.98 : x
2. Step 2: Convert to fraction form
   3,100.08/4,650.28 = 1,225.98/x
3. Step 3: Cross multiply
   3,100.08x = 4,650.28 × 1,225.98
4. Step 4: Simplify right side
   3,100.08x = 5,701,150.27
5. Step 5: Solve for x
   x = 5,701,150.27/3,100.08
6. Step 6: Final answer
   x = 1,839.03