Finding the Fourth Proportional to 16,387.34, 24,561.78 and 7,603.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,387.34 : 24,561.78 = 7,603.76 : x
2. Step 2: Convert to fraction form
   16,387.34/24,561.78 = 7,603.76/x
3. Step 3: Cross multiply
   16,387.34x = 24,561.78 × 7,603.76
4. Step 4: Simplify right side
   16,387.34x = 186,761,880.29
5. Step 5: Solve for x
   x = 186,761,880.29/16,387.34
6. Step 6: Final answer
   x = 11,396.72