Finding the Fourth Proportional to 12,148.63, 16,758.72 and 8,365.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,148.63 : 16,758.72 = 8,365.24 : x
2. Step 2: Convert to fraction form
   12,148.63/16,758.72 = 8,365.24/x
3. Step 3: Cross multiply
   12,148.63x = 16,758.72 × 8,365.24
4. Step 4: Simplify right side
   12,148.63x = 140,190,688.67
5. Step 5: Solve for x
   x = 140,190,688.67/12,148.63
6. Step 6: Final answer
   x = 11,539.63