Finding the Fourth Proportional to 59,928.78, 82,676.54 and 42,035.47

Step by Step Solution

1. Step 1: Write the proportion equation
   59,928.78 : 82,676.54 = 42,035.47 : x
2. Step 2: Convert to fraction form
   59,928.78/82,676.54 = 42,035.47/x
3. Step 3: Cross multiply
   59,928.78x = 82,676.54 × 42,035.47
4. Step 4: Simplify right side
   59,928.78x = 3,475,347,216.87
5. Step 5: Solve for x
   x = 3,475,347,216.87/59,928.78
6. Step 6: Final answer
   x = 57,991.29