Finding the Fourth Proportional to 11,739.72, 16,200.74 and 7,025.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,739.72 : 16,200.74 = 7,025.10 : x
2. Step 2: Convert to fraction form
   11,739.72/16,200.74 = 7,025.10/x
3. Step 3: Cross multiply
   11,739.72x = 16,200.74 × 7,025.10
4. Step 4: Simplify right side
   11,739.72x = 113,811,818.57
5. Step 5: Solve for x
   x = 113,811,818.57/11,739.72
6. Step 6: Final answer
   x = 9,694.59