Finding the Fourth Proportional to 39,968, 55,156.72 and 22,062.96

Step by Step Solution

1. Step 1: Write the proportion equation
   39,968 : 55,156.72 = 22,062.96 : x
2. Step 2: Convert to fraction form
   39,968/55,156.72 = 22,062.96/x
3. Step 3: Cross multiply
   39,968x = 55,156.72 × 22,062.96
4. Step 4: Simplify right side
   39,968x = 1,216,920,507.09
5. Step 5: Solve for x
   x = 1,216,920,507.09/39,968
6. Step 6: Final answer
   x = 30,447.37