Finding the Fourth Proportional to 8,793.76, 13,164.72 and 5,864.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,793.76 : 13,164.72 = 5,864.80 : x
2. Step 2: Convert to fraction form
   8,793.76/13,164.72 = 5,864.80/x
3. Step 3: Cross multiply
   8,793.76x = 13,164.72 × 5,864.80
4. Step 4: Simplify right side
   8,793.76x = 77,208,449.86
5. Step 5: Solve for x
   x = 77,208,449.86/8,793.76
6. Step 6: Final answer
   x = 8,779.91