Finding the Fourth Proportional to 30,945.38, 42,706.73 and 17,516.58

Step by Step Solution

1. Step 1: Write the proportion equation
   30,945.38 : 42,706.73 = 17,516.58 : x
2. Step 2: Convert to fraction form
   30,945.38/42,706.73 = 17,516.58/x
3. Step 3: Cross multiply
   30,945.38x = 42,706.73 × 17,516.58
4. Step 4: Simplify right side
   30,945.38x = 748,075,765.00
5. Step 5: Solve for x
   x = 748,075,765.00/30,945.38
6. Step 6: Final answer
   x = 24,174.07