Finding the Fourth Proportional to 3,746.77, 5,619.69 and 1,281.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.77 : 5,619.69 = 1,281.25 : x
2. Step 2: Convert to fraction form
   3,746.77/5,619.69 = 1,281.25/x
3. Step 3: Cross multiply
   3,746.77x = 5,619.69 × 1,281.25
4. Step 4: Simplify right side
   3,746.77x = 7,200,227.81
5. Step 5: Solve for x
   x = 7,200,227.81/3,746.77
6. Step 6: Final answer
   x = 1,921.72