Finding the Fourth Proportional to 9,864.96, 13,612.41 and 5,885.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864.96 : 13,612.41 = 5,885.34 : x
2. Step 2: Convert to fraction form
   9,864.96/13,612.41 = 5,885.34/x
3. Step 3: Cross multiply
   9,864.96x = 13,612.41 × 5,885.34
4. Step 4: Simplify right side
   9,864.96x = 80,113,661.07
5. Step 5: Solve for x
   x = 80,113,661.07/9,864.96
6. Step 6: Final answer
   x = 8,121.03