Finding the Fourth Proportional to 19,799.72, 29,704.17 and 5,760.08

Step by Step Solution

1. Step 1: Write the proportion equation
   19,799.72 : 29,704.17 = 5,760.08 : x
2. Step 2: Convert to fraction form
   19,799.72/29,704.17 = 5,760.08/x
3. Step 3: Cross multiply
   19,799.72x = 29,704.17 × 5,760.08
4. Step 4: Simplify right side
   19,799.72x = 171,098,395.53
5. Step 5: Solve for x
   x = 171,098,395.53/19,799.72
6. Step 6: Final answer
   x = 8,641.46