Finding the Fourth Proportional to 19,764.80, 29,651.17 and 7,284.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,764.80 : 29,651.17 = 7,284.89 : x
2. Step 2: Convert to fraction form
   19,764.80/29,651.17 = 7,284.89/x
3. Step 3: Cross multiply
   19,764.80x = 29,651.17 × 7,284.89
4. Step 4: Simplify right side
   19,764.80x = 216,005,345.35
5. Step 5: Solve for x
   x = 216,005,345.35/19,764.80
6. Step 6: Final answer
   x = 10,928.79