Finding the Fourth Proportional to 13,047.33, 19,558.12 and 8,353.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,047.33 : 19,558.12 = 8,353.98 : x
2. Step 2: Convert to fraction form
   13,047.33/19,558.12 = 8,353.98/x
3. Step 3: Cross multiply
   13,047.33x = 19,558.12 × 8,353.98
4. Step 4: Simplify right side
   13,047.33x = 163,388,143.32
5. Step 5: Solve for x
   x = 163,388,143.32/13,047.33
6. Step 6: Final answer
   x = 12,522.73