Finding the Fourth Proportional to 10,250.70, 14,147.31 and 5,775.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,250.70 : 14,147.31 = 5,775.32 : x
2. Step 2: Convert to fraction form
   10,250.70/14,147.31 = 5,775.32/x
3. Step 3: Cross multiply
   10,250.70x = 14,147.31 × 5,775.32
4. Step 4: Simplify right side
   10,250.70x = 81,705,171.65
5. Step 5: Solve for x
   x = 81,705,171.65/10,250.70
6. Step 6: Final answer
   x = 7,970.69