Finding the Fourth Proportional to 42,280.56, 58,344.90 and 23,159.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,280.56 : 58,344.90 = 23,159.34 : x
2. Step 2: Convert to fraction form
   42,280.56/58,344.90 = 23,159.34/x
3. Step 3: Cross multiply
   42,280.56x = 58,344.90 × 23,159.34
4. Step 4: Simplify right side
   42,280.56x = 1,351,229,376.37
5. Step 5: Solve for x
   x = 1,351,229,376.37/42,280.56
6. Step 6: Final answer
   x = 31,958.64