Finding the Fourth Proportional to 9,283.21, 12,807.32 and 5,697.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,283.21 : 12,807.32 = 5,697.03 : x
2. Step 2: Convert to fraction form
   9,283.21/12,807.32 = 5,697.03/x
3. Step 3: Cross multiply
   9,283.21x = 12,807.32 × 5,697.03
4. Step 4: Simplify right side
   9,283.21x = 72,963,705.80
5. Step 5: Solve for x
   x = 72,963,705.80/9,283.21
6. Step 6: Final answer
   x = 7,859.75