Finding the Fourth Proportional to 24,930.72, 34,406.64 and 17,388

Step by Step Solution

1. Step 1: Write the proportion equation
   24,930.72 : 34,406.64 = 17,388 : x
2. Step 2: Convert to fraction form
   24,930.72/34,406.64 = 17,388/x
3. Step 3: Cross multiply
   24,930.72x = 34,406.64 × 17,388
4. Step 4: Simplify right side
   24,930.72x = 598,262,656.32
5. Step 5: Solve for x
   x = 598,262,656.32/24,930.72
6. Step 6: Final answer
   x = 23,997.01