Finding the Fourth Proportional to 12,297, 18,445.32 and 5,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,297 : 18,445.32 = 5,719.50 : x
2. Step 2: Convert to fraction form
   12,297/18,445.32 = 5,719.50/x
3. Step 3: Cross multiply
   12,297x = 18,445.32 × 5,719.50
4. Step 4: Simplify right side
   12,297x = 105,498,007.74
5. Step 5: Solve for x
   x = 105,498,007.74/12,297
6. Step 6: Final answer
   x = 8,579.17