Finding the Fourth Proportional to 13,754.20, 18,980.72 and 7,466.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,754.20 : 18,980.72 = 7,466.56 : x
2. Step 2: Convert to fraction form
   13,754.20/18,980.72 = 7,466.56/x
3. Step 3: Cross multiply
   13,754.20x = 18,980.72 × 7,466.56
4. Step 4: Simplify right side
   13,754.20x = 141,720,684.72
5. Step 5: Solve for x
   x = 141,720,684.72/13,754.20
6. Step 6: Final answer
   x = 10,303.81