Finding the Fourth Proportional to 42,640.40, 58,843.98 and 23,520.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,640.40 : 58,843.98 = 23,520.84 : x
2. Step 2: Convert to fraction form
   42,640.40/58,843.98 = 23,520.84/x
3. Step 3: Cross multiply
   42,640.40x = 58,843.98 × 23,520.84
4. Step 4: Simplify right side
   42,640.40x = 1,384,059,720.94
5. Step 5: Solve for x
   x = 1,384,059,720.94/42,640.40
6. Step 6: Final answer
   x = 32,458.89