Finding the Fourth Proportional to 42,740.76, 58,979.16 and 23,620.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,740.76 : 58,979.16 = 23,620.31 : x
2. Step 2: Convert to fraction form
   42,740.76/58,979.16 = 23,620.31/x
3. Step 3: Cross multiply
   42,740.76x = 58,979.16 × 23,620.31
4. Step 4: Simplify right side
   42,740.76x = 1,393,105,747.84
5. Step 5: Solve for x
   x = 1,393,105,747.84/42,740.76
6. Step 6: Final answer
   x = 32,594.31