Finding the Fourth Proportional to 10,845.72, 14,967.12 and 5,877.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,845.72 : 14,967.12 = 5,877.72 : x
2. Step 2: Convert to fraction form
   10,845.72/14,967.12 = 5,877.72/x
3. Step 3: Cross multiply
   10,845.72x = 14,967.12 × 5,877.72
4. Step 4: Simplify right side
   10,845.72x = 87,972,540.57
5. Step 5: Solve for x
   x = 87,972,540.57/10,845.72
6. Step 6: Final answer
   x = 8,111.27