Finding the Fourth Proportional to 42,828.09, 59,102.85 and 23,709.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,828.09 : 59,102.85 = 23,709.20 : x
2. Step 2: Convert to fraction form
   42,828.09/59,102.85 = 23,709.20/x
3. Step 3: Cross multiply
   42,828.09x = 59,102.85 × 23,709.20
4. Step 4: Simplify right side
   42,828.09x = 1,401,280,995.71
5. Step 5: Solve for x
   x = 1,401,280,995.71/42,828.09
6. Step 6: Final answer
   x = 32,718.74