Finding the Fourth Proportional to 9,562.86, 13,191.42 and 8,886.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,562.86 : 13,191.42 = 8,886.32 : x
2. Step 2: Convert to fraction form
   9,562.86/13,191.42 = 8,886.32/x
3. Step 3: Cross multiply
   9,562.86x = 13,191.42 × 8,886.32
4. Step 4: Simplify right side
   9,562.86x = 117,223,179.37
5. Step 5: Solve for x
   x = 117,223,179.37/9,562.86
6. Step 6: Final answer
   x = 12,258.17