Finding the Fourth Proportional to 42,639.51, 58,842.98 and 23,520.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,639.51 : 58,842.98 = 23,520.12 : x
2. Step 2: Convert to fraction form
   42,639.51/58,842.98 = 23,520.12/x
3. Step 3: Cross multiply
   42,639.51x = 58,842.98 × 23,520.12
4. Step 4: Simplify right side
   42,639.51x = 1,383,994,097.84
5. Step 5: Solve for x
   x = 1,383,994,097.84/42,639.51
6. Step 6: Final answer
   x = 32,458.02