Finding the Fourth Proportional to 30,472.38, 42,051.69 and 17,043.57

Step by Step Solution

1. Step 1: Write the proportion equation
   30,472.38 : 42,051.69 = 17,043.57 : x
2. Step 2: Convert to fraction form
   30,472.38/42,051.69 = 17,043.57/x
3. Step 3: Cross multiply
   30,472.38x = 42,051.69 × 17,043.57
4. Step 4: Simplify right side
   30,472.38x = 716,710,922.13
5. Step 5: Solve for x
   x = 716,710,922.13/30,472.38
6. Step 6: Final answer
   x = 23,520.02