Finding the Fourth Proportional to 9,262.87, 12,783.06 and 5,071.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,262.87 : 12,783.06 = 5,071.12 : x
2. Step 2: Convert to fraction form
   9,262.87/12,783.06 = 5,071.12/x
3. Step 3: Cross multiply
   9,262.87x = 12,783.06 × 5,071.12
4. Step 4: Simplify right side
   9,262.87x = 64,824,431.23
5. Step 5: Solve for x
   x = 64,824,431.23/9,262.87
6. Step 6: Final answer
   x = 6,998.31