Finding the Fourth Proportional to 19,752.73, 29,640.78 and 7,281.47

Step by Step Solution

1. Step 1: Write the proportion equation
   19,752.73 : 29,640.78 = 7,281.47 : x
2. Step 2: Convert to fraction form
   19,752.73/29,640.78 = 7,281.47/x
3. Step 3: Cross multiply
   19,752.73x = 29,640.78 × 7,281.47
4. Step 4: Simplify right side
   19,752.73x = 215,828,524.45
5. Step 5: Solve for x
   x = 215,828,524.45/19,752.73
6. Step 6: Final answer
   x = 10,926.52