Finding the Fourth Proportional to 42,504.78, 58,652.43 and 23,640.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,504.78 : 58,652.43 = 23,640.78 : x
2. Step 2: Convert to fraction form
   42,504.78/58,652.43 = 23,640.78/x
3. Step 3: Cross multiply
   42,504.78x = 58,652.43 × 23,640.78
4. Step 4: Simplify right side
   42,504.78x = 1,386,589,194.10
5. Step 5: Solve for x
   x = 1,386,589,194.10/42,504.78
6. Step 6: Final answer
   x = 32,621.96