Finding the Fourth Proportional to 9,088.60, 12,536.04 and 8,783.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,088.60 : 12,536.04 = 8,783.86 : x
2. Step 2: Convert to fraction form
   9,088.60/12,536.04 = 8,783.86/x
3. Step 3: Cross multiply
   9,088.60x = 12,536.04 × 8,783.86
4. Step 4: Simplify right side
   9,088.60x = 110,114,820.31
5. Step 5: Solve for x
   x = 110,114,820.31/9,088.60
6. Step 6: Final answer
   x = 12,115.71