Finding the Fourth Proportional to 10,859.55, 16,289.13 and 3,463.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,859.55 : 16,289.13 = 3,463.89 : x
2. Step 2: Convert to fraction form
   10,859.55/16,289.13 = 3,463.89/x
3. Step 3: Cross multiply
   10,859.55x = 16,289.13 × 3,463.89
4. Step 4: Simplify right side
   10,859.55x = 56,423,754.52
5. Step 5: Solve for x
   x = 56,423,754.52/10,859.55
6. Step 6: Final answer
   x = 5,195.77