Finding the Fourth Proportional to 10,136.07, 13,987.79 and 5,659.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,136.07 : 13,987.79 = 5,659.82 : x
2. Step 2: Convert to fraction form
   10,136.07/13,987.79 = 5,659.82/x
3. Step 3: Cross multiply
   10,136.07x = 13,987.79 × 5,659.82
4. Step 4: Simplify right side
   10,136.07x = 79,168,275.36
5. Step 5: Solve for x
   x = 79,168,275.36/10,136.07
6. Step 6: Final answer
   x = 7,810.55