Finding the Fourth Proportional to 30,516.72, 42,113.46 and 17,089.14

Step by Step Solution

1. Step 1: Write the proportion equation
   30,516.72 : 42,113.46 = 17,089.14 : x
2. Step 2: Convert to fraction form
   30,516.72/42,113.46 = 17,089.14/x
3. Step 3: Cross multiply
   30,516.72x = 42,113.46 × 17,089.14
4. Step 4: Simplify right side
   30,516.72x = 719,682,813.82
5. Step 5: Solve for x
   x = 719,682,813.82/30,516.72
6. Step 6: Final answer
   x = 23,583.23