Finding the Fourth Proportional to 10,218.88, 14,101.74 and 5,742.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,218.88 : 14,101.74 = 5,742.52 : x
2. Step 2: Convert to fraction form
   10,218.88/14,101.74 = 5,742.52/x
3. Step 3: Cross multiply
   10,218.88x = 14,101.74 × 5,742.52
4. Step 4: Simplify right side
   10,218.88x = 80,979,523.98
5. Step 5: Solve for x
   x = 80,979,523.98/10,218.88
6. Step 6: Final answer
   x = 7,924.50