Finding the Fourth Proportional to 42,800.21, 59,064.59 and 25,801.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,800.21 : 59,064.59 = 25,801.05 : x
2. Step 2: Convert to fraction form
   42,800.21/59,064.59 = 25,801.05/x
3. Step 3: Cross multiply
   42,800.21x = 59,064.59 × 25,801.05
4. Step 4: Simplify right side
   42,800.21x = 1,523,928,310.81
5. Step 5: Solve for x
   x = 1,523,928,310.81/42,800.21
6. Step 6: Final answer
   x = 35,605.63