Finding the Fourth Proportional to 42,639.84, 58,843.29 and 23,520.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,639.84 : 58,843.29 = 23,520.30 : x
2. Step 2: Convert to fraction form
   42,639.84/58,843.29 = 23,520.30/x
3. Step 3: Cross multiply
   42,639.84x = 58,843.29 × 23,520.30
4. Step 4: Simplify right side
   42,639.84x = 1,384,011,833.79
5. Step 5: Solve for x
   x = 1,384,011,833.79/42,639.84
6. Step 6: Final answer
   x = 32,458.19