Finding the Fourth Proportional to 8,712.55, 12,023.42 and 4,733.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,712.55 : 12,023.42 = 4,733.72 : x
2. Step 2: Convert to fraction form
   8,712.55/12,023.42 = 4,733.72/x
3. Step 3: Cross multiply
   8,712.55x = 12,023.42 × 4,733.72
4. Step 4: Simplify right side
   8,712.55x = 56,915,503.72
5. Step 5: Solve for x
   x = 56,915,503.72/8,712.55
6. Step 6: Final answer
   x = 6,532.59