Finding the Fourth Proportional to 10,250.91, 14,147.61 and 5,775.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,250.91 : 14,147.61 = 5,775.55 : x
2. Step 2: Convert to fraction form
   10,250.91/14,147.61 = 5,775.55/x
3. Step 3: Cross multiply
   10,250.91x = 14,147.61 × 5,775.55
4. Step 4: Simplify right side
   10,250.91x = 81,710,228.94
5. Step 5: Solve for x
   x = 81,710,228.94/10,250.91
6. Step 6: Final answer
   x = 7,971.02