Finding the Fourth Proportional to 13,146.96, 19,721.88 and 5,753.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,146.96 : 19,721.88 = 5,753.52 : x
2. Step 2: Convert to fraction form
   13,146.96/19,721.88 = 5,753.52/x
3. Step 3: Cross multiply
   13,146.96x = 19,721.88 × 5,753.52
4. Step 4: Simplify right side
   13,146.96x = 113,470,231.02
5. Step 5: Solve for x
   x = 113,470,231.02/13,146.96
6. Step 6: Final answer
   x = 8,630.91