Finding the Fourth Proportional to 42,805.77, 59,128.41 and 32,857.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,805.77 : 59,128.41 = 32,857.15 : x
2. Step 2: Convert to fraction form
   42,805.77/59,128.41 = 32,857.15/x
3. Step 3: Cross multiply
   42,805.77x = 59,128.41 × 32,857.15
4. Step 4: Simplify right side
   42,805.77x = 1,942,790,576.70
5. Step 5: Solve for x
   x = 1,942,790,576.70/42,805.77
6. Step 6: Final answer
   x = 45,386.18