Finding the Fourth Proportional to 19,670.25, 29,505.78 and 5,819.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,670.25 : 29,505.78 = 5,819.25 : x
2. Step 2: Convert to fraction form
   19,670.25/29,505.78 = 5,819.25/x
3. Step 3: Cross multiply
   19,670.25x = 29,505.78 × 5,819.25
4. Step 4: Simplify right side
   19,670.25x = 171,701,510.27
5. Step 5: Solve for x
   x = 171,701,510.27/19,670.25
6. Step 6: Final answer
   x = 8,728.99