Finding the Fourth Proportional to 16,387.08, 24,588.72 and 7,611.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,387.08 : 24,588.72 = 7,611.54 : x
2. Step 2: Convert to fraction form
   16,387.08/24,588.72 = 7,611.54/x
3. Step 3: Cross multiply
   16,387.08x = 24,588.72 × 7,611.54
4. Step 4: Simplify right side
   16,387.08x = 187,158,025.83
5. Step 5: Solve for x
   x = 187,158,025.83/16,387.08
6. Step 6: Final answer
   x = 11,421.07