Finding the Fourth Proportional to 39,971, 55,160.06 and 22,066.03

Step by Step Solution

1. Step 1: Write the proportion equation
   39,971 : 55,160.06 = 22,066.03 : x
2. Step 2: Convert to fraction form
   39,971/55,160.06 = 22,066.03/x
3. Step 3: Cross multiply
   39,971x = 55,160.06 × 22,066.03
4. Step 4: Simplify right side
   39,971x = 1,217,163,538.76
5. Step 5: Solve for x
   x = 1,217,163,538.76/39,971
6. Step 6: Final answer
   x = 30,451.17