Finding the Fourth Proportional to 13,083, 19,628.82 and 5,287.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,083 : 19,628.82 = 5,287.56 : x
2. Step 2: Convert to fraction form
   13,083/19,628.82 = 5,287.56/x
3. Step 3: Cross multiply
   13,083x = 19,628.82 × 5,287.56
4. Step 4: Simplify right side
   13,083x = 103,788,563.48
5. Step 5: Solve for x
   x = 103,788,563.48/13,083
6. Step 6: Final answer
   x = 7,933.09