Finding the Fourth Proportional to 42,355.58, 58,449.82 and 26,218.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,355.58 : 58,449.82 = 26,218.58 : x
2. Step 2: Convert to fraction form
   42,355.58/58,449.82 = 26,218.58/x
3. Step 3: Cross multiply
   42,355.58x = 58,449.82 × 26,218.58
4. Step 4: Simplify right side
   42,355.58x = 1,532,470,923.86
5. Step 5: Solve for x
   x = 1,532,470,923.86/42,355.58
6. Step 6: Final answer
   x = 36,181.09