Finding the Fourth Proportional to 10,136.46, 13,987.83 and 5,660.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,136.46 : 13,987.83 = 5,660.22 : x
2. Step 2: Convert to fraction form
   10,136.46/13,987.83 = 5,660.22/x
3. Step 3: Cross multiply
   10,136.46x = 13,987.83 × 5,660.22
4. Step 4: Simplify right side
   10,136.46x = 79,174,195.12
5. Step 5: Solve for x
   x = 79,174,195.12/10,136.46
6. Step 6: Final answer
   x = 7,810.83