Finding the Fourth Proportional to 39,969.31, 55,157.33 and 22,064.31

Step by Step Solution

1. Step 1: Write the proportion equation
   39,969.31 : 55,157.33 = 22,064.31 : x
2. Step 2: Convert to fraction form
   39,969.31/55,157.33 = 22,064.31/x
3. Step 3: Cross multiply
   39,969.31x = 55,157.33 × 22,064.31
4. Step 4: Simplify right side
   39,969.31x = 1,217,008,427.89
5. Step 5: Solve for x
   x = 1,217,008,427.89/39,969.31
6. Step 6: Final answer
   x = 30,448.57