Finding the Fourth Proportional to 42,056.51, 58,042.62 and 25,920.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,056.51 : 58,042.62 = 25,920.56 : x
2. Step 2: Convert to fraction form
   42,056.51/58,042.62 = 25,920.56/x
3. Step 3: Cross multiply
   42,056.51x = 58,042.62 × 25,920.56
4. Step 4: Simplify right side
   42,056.51x = 1,504,497,359.37
5. Step 5: Solve for x
   x = 1,504,497,359.37/42,056.51
6. Step 6: Final answer
   x = 35,773.24