Finding the Fourth Proportional to 12,346.53, 18,498.24 and 10,279.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,346.53 : 18,498.24 = 10,279.83 : x
2. Step 2: Convert to fraction form
   12,346.53/18,498.24 = 10,279.83/x
3. Step 3: Cross multiply
   12,346.53x = 18,498.24 × 10,279.83
4. Step 4: Simplify right side
   12,346.53x = 190,158,762.50
5. Step 5: Solve for x
   x = 190,158,762.50/12,346.53
6. Step 6: Final answer
   x = 15,401.80