Finding the Fourth Proportional to 8,845.74, 13,259.76 and 5,685.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,845.74 : 13,259.76 = 5,685.69 : x
2. Step 2: Convert to fraction form
   8,845.74/13,259.76 = 5,685.69/x
3. Step 3: Cross multiply
   8,845.74x = 13,259.76 × 5,685.69
4. Step 4: Simplify right side
   8,845.74x = 75,390,884.83
5. Step 5: Solve for x
   x = 75,390,884.83/8,845.74
6. Step 6: Final answer
   x = 8,522.85