Finding the Fourth Proportional to 19,213.31, 28,824.83 and 5,362.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,213.31 : 28,824.83 = 5,362.31 : x
2. Step 2: Convert to fraction form
   19,213.31/28,824.83 = 5,362.31/x
3. Step 3: Cross multiply
   19,213.31x = 28,824.83 × 5,362.31
4. Step 4: Simplify right side
   19,213.31x = 154,567,739.52
5. Step 5: Solve for x
   x = 154,567,739.52/19,213.31
6. Step 6: Final answer
   x = 8,044.83