Finding the Fourth Proportional to 58,238.46, 80,262.50 and 42,295.23

Step by Step Solution

1. Step 1: Write the proportion equation
   58,238.46 : 80,262.50 = 42,295.23 : x
2. Step 2: Convert to fraction form
   58,238.46/80,262.50 = 42,295.23/x
3. Step 3: Cross multiply
   58,238.46x = 80,262.50 × 42,295.23
4. Step 4: Simplify right side
   58,238.46x = 3,394,720,686.40
5. Step 5: Solve for x
   x = 3,394,720,686.40/58,238.46
6. Step 6: Final answer
   x = 58,290.01