Finding the Fourth Proportional to 81,647.57, 122,402.10 and 37,258.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,647.57 : 122,402.10 = 37,258.76 : x
2. Step 2: Convert to fraction form
   81,647.57/122,402.10 = 37,258.76/x
3. Step 3: Cross multiply
   81,647.57x = 122,402.10 × 37,258.76
4. Step 4: Simplify right side
   81,647.57x = 4,560,550,467.40
5. Step 5: Solve for x
   x = 4,560,550,467.40/81,647.57
6. Step 6: Final answer
   x = 55,856.54