Finding the Fourth Proportional to 3,772.17, 5,659.62 and 1,307.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,772.17 : 5,659.62 = 1,307.69 : x
2. Step 2: Convert to fraction form
   3,772.17/5,659.62 = 1,307.69/x
3. Step 3: Cross multiply
   3,772.17x = 5,659.62 × 1,307.69
4. Step 4: Simplify right side
   3,772.17x = 7,401,055.69
5. Step 5: Solve for x
   x = 7,401,055.69/3,772.17
6. Step 6: Final answer
   x = 1,962.02