Finding the Fourth Proportional to 42,478.22, 58,621.42 and 23,358.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,478.22 : 58,621.42 = 23,358.78 : x
2. Step 2: Convert to fraction form
   42,478.22/58,621.42 = 23,358.78/x
3. Step 3: Cross multiply
   42,478.22x = 58,621.42 × 23,358.78
4. Step 4: Simplify right side
   42,478.22x = 1,369,324,882.27
5. Step 5: Solve for x
   x = 1,369,324,882.27/42,478.22
6. Step 6: Final answer
   x = 32,235.93