Finding the Fourth Proportional to 9,564.76, 14,368.74 and 5,671.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,564.76 : 14,368.74 = 5,671.72 : x
2. Step 2: Convert to fraction form
   9,564.76/14,368.74 = 5,671.72/x
3. Step 3: Cross multiply
   9,564.76x = 14,368.74 × 5,671.72
4. Step 4: Simplify right side
   9,564.76x = 81,495,470.03
5. Step 5: Solve for x
   x = 81,495,470.03/9,564.76
6. Step 6: Final answer
   x = 8,520.39