Finding the Fourth Proportional to 19,569.42, 29,358.45 and 5,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,569.42 : 29,358.45 = 5,719.50 : x
2. Step 2: Convert to fraction form
   19,569.42/29,358.45 = 5,719.50/x
3. Step 3: Cross multiply
   19,569.42x = 29,358.45 × 5,719.50
4. Step 4: Simplify right side
   19,569.42x = 167,915,654.78
5. Step 5: Solve for x
   x = 167,915,654.78/19,569.42
6. Step 6: Final answer
   x = 8,580.51