Finding the Fourth Proportional to 43,296.72, 64,951.89 and 18,336.93

Step by Step Solution

1. Step 1: Write the proportion equation
   43,296.72 : 64,951.89 = 18,336.93 : x
2. Step 2: Convert to fraction form
   43,296.72/64,951.89 = 18,336.93/x
3. Step 3: Cross multiply
   43,296.72x = 64,951.89 × 18,336.93
4. Step 4: Simplify right side
   43,296.72x = 1,191,018,260.30
5. Step 5: Solve for x
   x = 1,191,018,260.30/43,296.72
6. Step 6: Final answer
   x = 27,508.28