Finding the Fourth Proportional to 11,776.28, 17,648.01 and 8,851.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,776.28 : 17,648.01 = 8,851.16 : x
2. Step 2: Convert to fraction form
   11,776.28/17,648.01 = 8,851.16/x
3. Step 3: Cross multiply
   11,776.28x = 17,648.01 × 8,851.16
4. Step 4: Simplify right side
   11,776.28x = 156,205,404.31
5. Step 5: Solve for x
   x = 156,205,404.31/11,776.28
6. Step 6: Final answer
   x = 13,264.42