Finding the Fourth Proportional to 12,499.45, 18,733.05 and 9,354.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.45 : 18,733.05 = 9,354.83 : x
2. Step 2: Convert to fraction form
   12,499.45/18,733.05 = 9,354.83/x
3. Step 3: Cross multiply
   12,499.45x = 18,733.05 × 9,354.83
4. Step 4: Simplify right side
   12,499.45x = 175,244,498.13
5. Step 5: Solve for x
   x = 175,244,498.13/12,499.45
6. Step 6: Final answer
   x = 14,020.18