Finding the Fourth Proportional to 19,404.56, 29,106.72 and 5,553.60

Step by Step Solution

1. Step 1: Write the proportion equation
   19,404.56 : 29,106.72 = 5,553.60 : x
2. Step 2: Convert to fraction form
   19,404.56/29,106.72 = 5,553.60/x
3. Step 3: Cross multiply
   19,404.56x = 29,106.72 × 5,553.60
4. Step 4: Simplify right side
   19,404.56x = 161,647,080.19
5. Step 5: Solve for x
   x = 161,647,080.19/19,404.56
6. Step 6: Final answer
   x = 8,330.37