Finding the Fourth Proportional to 13,574.72, 18,734.32 and 7,606.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,574.72 : 18,734.32 = 7,606.35 : x
2. Step 2: Convert to fraction form
   13,574.72/18,734.32 = 7,606.35/x
3. Step 3: Cross multiply
   13,574.72x = 18,734.32 × 7,606.35
4. Step 4: Simplify right side
   13,574.72x = 142,499,794.93
5. Step 5: Solve for x
   x = 142,499,794.93/13,574.72
6. Step 6: Final answer
   x = 10,497.44