Finding the Fourth Proportional to 13,116.54, 19,675.50 and 5,721.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,116.54 : 19,675.50 = 5,721.52 : x
2. Step 2: Convert to fraction form
   13,116.54/19,675.50 = 5,721.52/x
3. Step 3: Cross multiply
   13,116.54x = 19,675.50 × 5,721.52
4. Step 4: Simplify right side
   13,116.54x = 112,573,766.76
5. Step 5: Solve for x
   x = 112,573,766.76/13,116.54
6. Step 6: Final answer
   x = 8,582.58