Finding the Fourth Proportional to 42,338.72, 58,428.34 and 23,218.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,338.72 : 58,428.34 = 23,218.94 : x
2. Step 2: Convert to fraction form
   42,338.72/58,428.34 = 23,218.94/x
3. Step 3: Cross multiply
   42,338.72x = 58,428.34 × 23,218.94
4. Step 4: Simplify right side
   42,338.72x = 1,356,644,120.76
5. Step 5: Solve for x
   x = 1,356,644,120.76/42,338.72
6. Step 6: Final answer
   x = 32,042.63