Finding the Fourth Proportional to 31,208.72, 43,067.72 and 17,061.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,208.72 : 43,067.72 = 17,061.84 : x
2. Step 2: Convert to fraction form
   31,208.72/43,067.72 = 17,061.84/x
3. Step 3: Cross multiply
   31,208.72x = 43,067.72 × 17,061.84
4. Step 4: Simplify right side
   31,208.72x = 734,814,547.80
5. Step 5: Solve for x
   x = 734,814,547.80/31,208.72
6. Step 6: Final answer
   x = 23,545.17