Finding the Fourth Proportional to 42,421.82, 58,545.25 and 26,292.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,421.82 : 58,545.25 = 26,292.30 : x
2. Step 2: Convert to fraction form
   42,421.82/58,545.25 = 26,292.30/x
3. Step 3: Cross multiply
   42,421.82x = 58,545.25 × 26,292.30
4. Step 4: Simplify right side
   42,421.82x = 1,539,289,046.76
5. Step 5: Solve for x
   x = 1,539,289,046.76/42,421.82
6. Step 6: Final answer
   x = 36,285.31