Finding the Fourth Proportional to 11,182.56, 16,776.96 and 9,122.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,182.56 : 16,776.96 = 9,122.01 : x
2. Step 2: Convert to fraction form
   11,182.56/16,776.96 = 9,122.01/x
3. Step 3: Cross multiply
   11,182.56x = 16,776.96 × 9,122.01
4. Step 4: Simplify right side
   11,182.56x = 153,039,596.89
5. Step 5: Solve for x
   x = 153,039,596.89/11,182.56
6. Step 6: Final answer
   x = 13,685.56