Finding the Fourth Proportional to 42,478.08, 58,621.25 and 23,359.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,478.08 : 58,621.25 = 23,359.31 : x
2. Step 2: Convert to fraction form
   42,478.08/58,621.25 = 23,359.31/x
3. Step 3: Cross multiply
   42,478.08x = 58,621.25 × 23,359.31
4. Step 4: Simplify right side
   42,478.08x = 1,369,351,541.43
5. Step 5: Solve for x
   x = 1,369,351,541.43/42,478.08
6. Step 6: Final answer
   x = 32,236.67