Finding the Fourth Proportional to 42,815.40, 59,141.73 and 32,866.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,815.40 : 59,141.73 = 32,866.77 : x
2. Step 2: Convert to fraction form
   42,815.40/59,141.73 = 32,866.77/x
3. Step 3: Cross multiply
   42,815.40x = 59,141.73 × 32,866.77
4. Step 4: Simplify right side
   42,815.40x = 1,943,797,637.31
5. Step 5: Solve for x
   x = 1,943,797,637.31/42,815.40
6. Step 6: Final answer
   x = 45,399.50