Finding the Fourth Proportional to 12,054.74, 16,635.92 and 7,020.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,054.74 : 16,635.92 = 7,020.72 : x
2. Step 2: Convert to fraction form
   12,054.74/16,635.92 = 7,020.72/x
3. Step 3: Cross multiply
   12,054.74x = 16,635.92 × 7,020.72
4. Step 4: Simplify right side
   12,054.74x = 116,796,101.16
5. Step 5: Solve for x
   x = 116,796,101.16/12,054.74
6. Step 6: Final answer
   x = 9,688.82