Finding the Fourth Proportional to 16,148.59, 22,285.56 and 9,776.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,148.59 : 22,285.56 = 9,776.35 : x
2. Step 2: Convert to fraction form
   16,148.59/22,285.56 = 9,776.35/x
3. Step 3: Cross multiply
   16,148.59x = 22,285.56 × 9,776.35
4. Step 4: Simplify right side
   16,148.59x = 217,871,434.51
5. Step 5: Solve for x
   x = 217,871,434.51/16,148.59
6. Step 6: Final answer
   x = 13,491.67