Finding the Fourth Proportional to 8,763.67, 13,091.27 and 7,884.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,763.67 : 13,091.27 = 7,884.82 : x
2. Step 2: Convert to fraction form
   8,763.67/13,091.27 = 7,884.82/x
3. Step 3: Cross multiply
   8,763.67x = 13,091.27 × 7,884.82
4. Step 4: Simplify right side
   8,763.67x = 103,222,307.52
5. Step 5: Solve for x
   x = 103,222,307.52/8,763.67
6. Step 6: Final answer
   x = 11,778.43