Finding the Fourth Proportional to 19,404.96, 29,112.57 and 10,516.35

Step by Step Solution

1. Step 1: Write the proportion equation
   19,404.96 : 29,112.57 = 10,516.35 : x
2. Step 2: Convert to fraction form
   19,404.96/29,112.57 = 10,516.35/x
3. Step 3: Cross multiply
   19,404.96x = 29,112.57 × 10,516.35
4. Step 4: Simplify right side
   19,404.96x = 306,157,975.52
5. Step 5: Solve for x
   x = 306,157,975.52/19,404.96
6. Step 6: Final answer
   x = 15,777.31