Finding the Fourth Proportional to 10,250.42, 14,146.92 and 5,775.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,250.42 : 14,146.92 = 5,775.05 : x
2. Step 2: Convert to fraction form
   10,250.42/14,146.92 = 5,775.05/x
3. Step 3: Cross multiply
   10,250.42x = 14,146.92 × 5,775.05
4. Step 4: Simplify right side
   10,250.42x = 81,699,099.61
5. Step 5: Solve for x
   x = 81,699,099.61/10,250.42
6. Step 6: Final answer
   x = 7,970.32