Finding the Fourth Proportional to 13,083.24, 18,048.52 and 7,774.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,083.24 : 18,048.52 = 7,774.29 : x
2. Step 2: Convert to fraction form
   13,083.24/18,048.52 = 7,774.29/x
3. Step 3: Cross multiply
   13,083.24x = 18,048.52 × 7,774.29
4. Step 4: Simplify right side
   13,083.24x = 140,314,505.95
5. Step 5: Solve for x
   x = 140,314,505.95/13,083.24
6. Step 6: Final answer
   x = 10,724.76