Finding the Fourth Proportional to 39,967.89, 55,155.37 and 22,062.89

Step by Step Solution

1. Step 1: Write the proportion equation
   39,967.89 : 55,155.37 = 22,062.89 : x
2. Step 2: Convert to fraction form
   39,967.89/55,155.37 = 22,062.89/x
3. Step 3: Cross multiply
   39,967.89x = 55,155.37 × 22,062.89
4. Step 4: Simplify right side
   39,967.89x = 1,216,886,861.22
5. Step 5: Solve for x
   x = 1,216,886,861.22/39,967.89
6. Step 6: Final answer
   x = 30,446.61