Finding the Fourth Proportional to 13,315.34, 19,957.62 and 5,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,315.34 : 19,957.62 = 5,514.50 : x
2. Step 2: Convert to fraction form
   13,315.34/19,957.62 = 5,514.50/x
3. Step 3: Cross multiply
   13,315.34x = 19,957.62 × 5,514.50
4. Step 4: Simplify right side
   13,315.34x = 110,056,295.49
5. Step 5: Solve for x
   x = 110,056,295.49/13,315.34
6. Step 6: Final answer
   x = 8,265.38