Finding the Fourth Proportional to 39,935.92, 55,111.98 and 22,030.48

Step by Step Solution

1. Step 1: Write the proportion equation
   39,935.92 : 55,111.98 = 22,030.48 : x
2. Step 2: Convert to fraction form
   39,935.92/55,111.98 = 22,030.48/x
3. Step 3: Cross multiply
   39,935.92x = 55,111.98 × 22,030.48
4. Step 4: Simplify right side
   39,935.92x = 1,214,143,373.15
5. Step 5: Solve for x
   x = 1,214,143,373.15/39,935.92
6. Step 6: Final answer
   x = 30,402.29