Finding the Fourth Proportional to 13,049.34, 19,561.12 and 8,355.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,049.34 : 19,561.12 = 8,355.98 : x
2. Step 2: Convert to fraction form
   13,049.34/19,561.12 = 8,355.98/x
3. Step 3: Cross multiply
   13,049.34x = 19,561.12 × 8,355.98
4. Step 4: Simplify right side
   13,049.34x = 163,452,327.50
5. Step 5: Solve for x
   x = 163,452,327.50/13,049.34
6. Step 6: Final answer
   x = 12,525.72