Finding the Fourth Proportional to 16,530.55, 24,799.47 and 5,436.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,530.55 : 24,799.47 = 5,436.79 : x
2. Step 2: Convert to fraction form
   16,530.55/24,799.47 = 5,436.79/x
3. Step 3: Cross multiply
   16,530.55x = 24,799.47 × 5,436.79
4. Step 4: Simplify right side
   16,530.55x = 134,829,510.50
5. Step 5: Solve for x
   x = 134,829,510.50/16,530.55
6. Step 6: Final answer
   x = 8,156.38