Finding the Fourth Proportional to 42,800.18, 59,065.50 and 23,420.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,800.18 : 59,065.50 = 23,420.25 : x
2. Step 2: Convert to fraction form
   42,800.18/59,065.50 = 23,420.25/x
3. Step 3: Cross multiply
   42,800.18x = 59,065.50 × 23,420.25
4. Step 4: Simplify right side
   42,800.18x = 1,383,328,776.38
5. Step 5: Solve for x
   x = 1,383,328,776.38/42,800.18
6. Step 6: Final answer
   x = 32,320.63