Finding the Fourth Proportional to 31,767.74, 43,838.25 and 17,620.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,767.74 : 43,838.25 = 17,620.34 : x
2. Step 2: Convert to fraction form
   31,767.74/43,838.25 = 17,620.34/x
3. Step 3: Cross multiply
   31,767.74x = 43,838.25 × 17,620.34
4. Step 4: Simplify right side
   31,767.74x = 772,444,870.01
5. Step 5: Solve for x
   x = 772,444,870.01/31,767.74
6. Step 6: Final answer
   x = 24,315.39