Finding the Fourth Proportional to 39,030.37, 58,545.46 and 30,158.59

Step by Step Solution

1. Step 1: Write the proportion equation
   39,030.37 : 58,545.46 = 30,158.59 : x
2. Step 2: Convert to fraction form
   39,030.37/58,545.46 = 30,158.59/x
3. Step 3: Cross multiply
   39,030.37x = 58,545.46 × 30,158.59
4. Step 4: Simplify right side
   39,030.37x = 1,765,648,524.50
5. Step 5: Solve for x
   x = 1,765,648,524.50/39,030.37
6. Step 6: Final answer
   x = 45,237.81