Finding the Fourth Proportional to 3,476.72, 5,215.89 and 1,136.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,476.72 : 5,215.89 = 1,136.81 : x
2. Step 2: Convert to fraction form
   3,476.72/5,215.89 = 1,136.81/x
3. Step 3: Cross multiply
   3,476.72x = 5,215.89 × 1,136.81
4. Step 4: Simplify right side
   3,476.72x = 5,929,475.91
5. Step 5: Solve for x
   x = 5,929,475.91/3,476.72
6. Step 6: Final answer
   x = 1,705.48