Finding the Fourth Proportional to 81,508.73, 112,481.75 and 45,698.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,508.73 : 112,481.75 = 45,698.72 : x
2. Step 2: Convert to fraction form
   81,508.73/112,481.75 = 45,698.72/x
3. Step 3: Cross multiply
   81,508.73x = 112,481.75 × 45,698.72
4. Step 4: Simplify right side
   81,508.73x = 5,140,271,769.87
5. Step 5: Solve for x
   x = 5,140,271,769.87/81,508.73
6. Step 6: Final answer
   x = 63,064.06