Finding the Fourth Proportional to 9,904.84, 13,668.60 and 5,713

Step by Step Solution

1. Step 1: Write the proportion equation
   9,904.84 : 13,668.60 = 5,713 : x
2. Step 2: Convert to fraction form
   9,904.84/13,668.60 = 5,713/x
3. Step 3: Cross multiply
   9,904.84x = 13,668.60 × 5,713
4. Step 4: Simplify right side
   9,904.84x = 78,088,711.80
5. Step 5: Solve for x
   x = 78,088,711.80/9,904.84
6. Step 6: Final answer
   x = 7,883.89