Finding the Fourth Proportional to 67,746.72, 101,618.64 and 18,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,746.72 : 101,618.64 = 18,498.72 : x
2. Step 2: Convert to fraction form
   67,746.72/101,618.64 = 18,498.72/x
3. Step 3: Cross multiply
   67,746.72x = 101,618.64 × 18,498.72
4. Step 4: Simplify right side
   67,746.72x = 1,879,814,768.14
5. Step 5: Solve for x
   x = 1,879,814,768.14/67,746.72
6. Step 6: Final answer
   x = 27,747.69