Finding the Fourth Proportional to 19,499.31, 29,247.75 and 5,648.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,499.31 : 29,247.75 = 5,648.31 : x
2. Step 2: Convert to fraction form
   19,499.31/29,247.75 = 5,648.31/x
3. Step 3: Cross multiply
   19,499.31x = 29,247.75 × 5,648.31
4. Step 4: Simplify right side
   19,499.31x = 165,200,358.80
5. Step 5: Solve for x
   x = 165,200,358.80/19,499.31
6. Step 6: Final answer
   x = 8,472.11