Finding the Fourth Proportional to 42,992.78, 59,342.42 and 25,997.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,992.78 : 59,342.42 = 25,997.05 : x
2. Step 2: Convert to fraction form
   42,992.78/59,342.42 = 25,997.05/x
3. Step 3: Cross multiply
   42,992.78x = 59,342.42 × 25,997.05
4. Step 4: Simplify right side
   42,992.78x = 1,542,727,999.03
5. Step 5: Solve for x
   x = 1,542,727,999.03/42,992.78
6. Step 6: Final answer
   x = 35,883.42