Finding the Fourth Proportional to 12,061.23, 16,633.37 and 8,277.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.23 : 16,633.37 = 8,277.72 : x
2. Step 2: Convert to fraction form
   12,061.23/16,633.37 = 8,277.72/x
3. Step 3: Cross multiply
   12,061.23x = 16,633.37 × 8,277.72
4. Step 4: Simplify right side
   12,061.23x = 137,686,338.13
5. Step 5: Solve for x
   x = 137,686,338.13/12,061.23
6. Step 6: Final answer
   x = 11,415.61