Finding the Fourth Proportional to 8,783.49, 12,109.06 and 5,946.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,783.49 : 12,109.06 = 5,946.40 : x
2. Step 2: Convert to fraction form
   8,783.49/12,109.06 = 5,946.40/x
3. Step 3: Cross multiply
   8,783.49x = 12,109.06 × 5,946.40
4. Step 4: Simplify right side
   8,783.49x = 72,005,314.38
5. Step 5: Solve for x
   x = 72,005,314.38/8,783.49
6. Step 6: Final answer
   x = 8,197.80