Finding the Fourth Proportional to 10,312.56, 14,231.12 and 5,775.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,312.56 : 14,231.12 = 5,775.03 : x
2. Step 2: Convert to fraction form
   10,312.56/14,231.12 = 5,775.03/x
3. Step 3: Cross multiply
   10,312.56x = 14,231.12 × 5,775.03
4. Step 4: Simplify right side
   10,312.56x = 82,185,116.06
5. Step 5: Solve for x
   x = 82,185,116.06/10,312.56
6. Step 6: Final answer
   x = 7,969.42