Finding the Fourth Proportional to 30,688.72, 45,951 and 17,522.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,688.72 : 45,951 = 17,522.98 : x
2. Step 2: Convert to fraction form
   30,688.72/45,951 = 17,522.98/x
3. Step 3: Cross multiply
   30,688.72x = 45,951 × 17,522.98
4. Step 4: Simplify right side
   30,688.72x = 805,198,453.98
5. Step 5: Solve for x
   x = 805,198,453.98/30,688.72
6. Step 6: Final answer
   x = 26,237.60