Finding the Fourth Proportional to 31,769.07, 43,841.33 and 17,621.91

Step by Step Solution

1. Step 1: Write the proportion equation
   31,769.07 : 43,841.33 = 17,621.91 : x
2. Step 2: Convert to fraction form
   31,769.07/43,841.33 = 17,621.91/x
3. Step 3: Cross multiply
   31,769.07x = 43,841.33 × 17,621.91
4. Step 4: Simplify right side
   31,769.07x = 772,567,883.43
5. Step 5: Solve for x
   x = 772,567,883.43/31,769.07
6. Step 6: Final answer
   x = 24,318.24