Finding the Fourth Proportional to 8,002.31, 12,003.68 and 4,717.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,002.31 : 12,003.68 = 4,717.76 : x
2. Step 2: Convert to fraction form
   8,002.31/12,003.68 = 4,717.76/x
3. Step 3: Cross multiply
   8,002.31x = 12,003.68 × 4,717.76
4. Step 4: Simplify right side
   8,002.31x = 56,630,457.77
5. Step 5: Solve for x
   x = 56,630,457.77/8,002.31
6. Step 6: Final answer
   x = 7,076.76