Finding the Fourth Proportional to 42,338.32, 58,424.60 and 23,218

Step by Step Solution

1. Step 1: Write the proportion equation
   42,338.32 : 58,424.60 = 23,218 : x
2. Step 2: Convert to fraction form
   42,338.32/58,424.60 = 23,218/x
3. Step 3: Cross multiply
   42,338.32x = 58,424.60 × 23,218
4. Step 4: Simplify right side
   42,338.32x = 1,356,502,362.80
5. Step 5: Solve for x
   x = 1,356,502,362.80/42,338.32
6. Step 6: Final answer
   x = 32,039.59