Finding the Fourth Proportional to 10,247.51, 14,142.38 and 5,770.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,247.51 : 14,142.38 = 5,770.99 : x
2. Step 2: Convert to fraction form
   10,247.51/14,142.38 = 5,770.99/x
3. Step 3: Cross multiply
   10,247.51x = 14,142.38 × 5,770.99
4. Step 4: Simplify right side
   10,247.51x = 81,615,533.56
5. Step 5: Solve for x
   x = 81,615,533.56/10,247.51
6. Step 6: Final answer
   x = 7,964.43