Finding the Fourth Proportional to 21,751.39, 30,031.37 and 16,706.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,751.39 : 30,031.37 = 16,706.59 : x
2. Step 2: Convert to fraction form
   21,751.39/30,031.37 = 16,706.59/x
3. Step 3: Cross multiply
   21,751.39x = 30,031.37 × 16,706.59
4. Step 4: Simplify right side
   21,751.39x = 501,721,785.73
5. Step 5: Solve for x
   x = 501,721,785.73/21,751.39
6. Step 6: Final answer
   x = 23,066.19