Finding the Fourth Proportional to 10,968.56, 15,136.56 and 10,076

Step by Step Solution

1. Step 1: Write the proportion equation
   10,968.56 : 15,136.56 = 10,076 : x
2. Step 2: Convert to fraction form
   10,968.56/15,136.56 = 10,076/x
3. Step 3: Cross multiply
   10,968.56x = 15,136.56 × 10,076
4. Step 4: Simplify right side
   10,968.56x = 152,515,978.56
5. Step 5: Solve for x
   x = 152,515,978.56/10,968.56
6. Step 6: Final answer
   x = 13,904.83