Finding the Fourth Proportional to 13,047.83, 19,558.87 and 8,354.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,047.83 : 19,558.87 = 8,354.48 : x
2. Step 2: Convert to fraction form
   13,047.83/19,558.87 = 8,354.48/x
3. Step 3: Cross multiply
   13,047.83x = 19,558.87 × 8,354.48
4. Step 4: Simplify right side
   13,047.83x = 163,404,188.24
5. Step 5: Solve for x
   x = 163,404,188.24/13,047.83
6. Step 6: Final answer
   x = 12,523.48