Finding the Fourth Proportional to 59,196.59, 81,660.95 and 40,077.05

Step by Step Solution

1. Step 1: Write the proportion equation
   59,196.59 : 81,660.95 = 40,077.05 : x
2. Step 2: Convert to fraction form
   59,196.59/81,660.95 = 40,077.05/x
3. Step 3: Cross multiply
   59,196.59x = 81,660.95 × 40,077.05
4. Step 4: Simplify right side
   59,196.59x = 3,272,729,367.51
5. Step 5: Solve for x
   x = 3,272,729,367.51/59,196.59
6. Step 6: Final answer
   x = 55,285.78