Finding the Fourth Proportional to 42,582.72, 58,768.80 and 25,815.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,582.72 : 58,768.80 = 25,815.36 : x
2. Step 2: Convert to fraction form
   42,582.72/58,768.80 = 25,815.36/x
3. Step 3: Cross multiply
   42,582.72x = 58,768.80 × 25,815.36
4. Step 4: Simplify right side
   42,582.72x = 1,517,137,728.77
5. Step 5: Solve for x
   x = 1,517,137,728.77/42,582.72
6. Step 6: Final answer
   x = 35,628.01