Finding the Fourth Proportional to 42,102.78, 58,101.89 and 23,239.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,102.78 : 58,101.89 = 23,239.91 : x
2. Step 2: Convert to fraction form
   42,102.78/58,101.89 = 23,239.91/x
3. Step 3: Cross multiply
   42,102.78x = 58,101.89 × 23,239.91
4. Step 4: Simplify right side
   42,102.78x = 1,350,282,403.92
5. Step 5: Solve for x
   x = 1,350,282,403.92/42,102.78
6. Step 6: Final answer
   x = 32,071.10