Finding the Fourth Proportional to 3,748.67, 5,616.86 and 1,282.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.67 : 5,616.86 = 1,282.15 : x
2. Step 2: Convert to fraction form
   3,748.67/5,616.86 = 1,282.15/x
3. Step 3: Cross multiply
   3,748.67x = 5,616.86 × 1,282.15
4. Step 4: Simplify right side
   3,748.67x = 7,201,628.96
5. Step 5: Solve for x
   x = 7,201,628.96/3,748.67
6. Step 6: Final answer
   x = 1,921.12