Finding the Fourth Proportional to 8,801.56, 12,146.37 and 5,266.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,801.56 : 12,146.37 = 5,266.79 : x
2. Step 2: Convert to fraction form
   8,801.56/12,146.37 = 5,266.79/x
3. Step 3: Cross multiply
   8,801.56x = 12,146.37 × 5,266.79
4. Step 4: Simplify right side
   8,801.56x = 63,972,319.32
5. Step 5: Solve for x
   x = 63,972,319.32/8,801.56
6. Step 6: Final answer
   x = 7,268.30