Finding the Fourth Proportional to 42,515.70, 58,675.50 and 23,399.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,515.70 : 58,675.50 = 23,399.30 : x
2. Step 2: Convert to fraction form
   42,515.70/58,675.50 = 23,399.30/x
3. Step 3: Cross multiply
   42,515.70x = 58,675.50 × 23,399.30
4. Step 4: Simplify right side
   42,515.70x = 1,372,965,333.77
5. Step 5: Solve for x
   x = 1,372,965,333.77/42,515.70
6. Step 6: Final answer
   x = 32,293.14