Finding the Fourth Proportional to 30,595.33, 42,221.31 and 17,166.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,595.33 : 42,221.31 = 17,166.31 : x
2. Step 2: Convert to fraction form
   30,595.33/42,221.31 = 17,166.31/x
3. Step 3: Cross multiply
   30,595.33x = 42,221.31 × 17,166.31
4. Step 4: Simplify right side
   30,595.33x = 724,784,096.07
5. Step 5: Solve for x
   x = 724,784,096.07/30,595.33
6. Step 6: Final answer
   x = 23,689.37