Finding the Fourth Proportional to 19,404.72, 29,106.18 and 5,553.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,404.72 : 29,106.18 = 5,553.72 : x
2. Step 2: Convert to fraction form
   19,404.72/29,106.18 = 5,553.72/x
3. Step 3: Cross multiply
   19,404.72x = 29,106.18 × 5,553.72
4. Step 4: Simplify right side
   19,404.72x = 161,647,573.99
5. Step 5: Solve for x
   x = 161,647,573.99/19,404.72
6. Step 6: Final answer
   x = 8,330.32