Finding the Fourth Proportional to 42,238.46, 58,288.19 and 23,117.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,238.46 : 58,288.19 = 23,117.79 : x
2. Step 2: Convert to fraction form
   42,238.46/58,288.19 = 23,117.79/x
3. Step 3: Cross multiply
   42,238.46x = 58,288.19 × 23,117.79
4. Step 4: Simplify right side
   42,238.46x = 1,347,493,942.49
5. Step 5: Solve for x
   x = 1,347,493,942.49/42,238.46
6. Step 6: Final answer
   x = 31,902.06