Finding the Fourth Proportional to 59,131.75, 81,601.82 and 40,301.77

Step by Step Solution

1. Step 1: Write the proportion equation
   59,131.75 : 81,601.82 = 40,301.77 : x
2. Step 2: Convert to fraction form
   59,131.75/81,601.82 = 40,301.77/x
3. Step 3: Cross multiply
   59,131.75x = 81,601.82 × 40,301.77
4. Step 4: Simplify right side
   59,131.75x = 3,288,697,579.71
5. Step 5: Solve for x
   x = 3,288,697,579.71/59,131.75
6. Step 6: Final answer
   x = 55,616.44