Finding the Fourth Proportional to 9,948.43, 13,727.85 and 5,698.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,948.43 : 13,727.85 = 5,698.67 : x
2. Step 2: Convert to fraction form
   9,948.43/13,727.85 = 5,698.67/x
3. Step 3: Cross multiply
   9,948.43x = 13,727.85 × 5,698.67
4. Step 4: Simplify right side
   9,948.43x = 78,230,499.91
5. Step 5: Solve for x
   x = 78,230,499.91/9,948.43
6. Step 6: Final answer
   x = 7,863.60