Finding the Fourth Proportional to 42,477.75, 58,532.85 and 32,859.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,477.75 : 58,532.85 = 32,859.20 : x
2. Step 2: Convert to fraction form
   42,477.75/58,532.85 = 32,859.20/x
3. Step 3: Cross multiply
   42,477.75x = 58,532.85 × 32,859.20
4. Step 4: Simplify right side
   42,477.75x = 1,923,342,771.05
5. Step 5: Solve for x
   x = 1,923,342,771.05/42,477.75
6. Step 6: Final answer
   x = 45,278.83