Finding the Fourth Proportional to 42,141.38, 58,166.28 and 26,216.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,141.38 : 58,166.28 = 26,216.78 : x
2. Step 2: Convert to fraction form
   42,141.38/58,166.28 = 26,216.78/x
3. Step 3: Cross multiply
   42,141.38x = 58,166.28 × 26,216.78
4. Step 4: Simplify right side
   42,141.38x = 1,524,932,566.18
5. Step 5: Solve for x
   x = 1,524,932,566.18/42,141.38
6. Step 6: Final answer
   x = 36,186.11