Finding the Fourth Proportional to 11,445.34, 15,796.16 and 8,268.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,445.34 : 15,796.16 = 8,268.91 : x
2. Step 2: Convert to fraction form
   11,445.34/15,796.16 = 8,268.91/x
3. Step 3: Cross multiply
   11,445.34x = 15,796.16 × 8,268.91
4. Step 4: Simplify right side
   11,445.34x = 130,617,025.39
5. Step 5: Solve for x
   x = 130,617,025.39/11,445.34
6. Step 6: Final answer
   x = 11,412.25