Finding the Fourth Proportional to 3,746.82, 5,618.86 and 1,280.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.82 : 5,618.86 = 1,280.98 : x
2. Step 2: Convert to fraction form
   3,746.82/5,618.86 = 1,280.98/x
3. Step 3: Cross multiply
   3,746.82x = 5,618.86 × 1,280.98
4. Step 4: Simplify right side
   3,746.82x = 7,197,647.28
5. Step 5: Solve for x
   x = 7,197,647.28/3,746.82
6. Step 6: Final answer
   x = 1,921.00