Finding the Fourth Proportional to 12,948.50, 19,409.24 and 8,788.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.50 : 19,409.24 = 8,788.83 : x
2. Step 2: Convert to fraction form
   12,948.50/19,409.24 = 8,788.83/x
3. Step 3: Cross multiply
   12,948.50x = 19,409.24 × 8,788.83
4. Step 4: Simplify right side
   12,948.50x = 170,584,466.85
5. Step 5: Solve for x
   x = 170,584,466.85/12,948.50
6. Step 6: Final answer
   x = 13,174.08