Finding the Fourth Proportional to 9,940.42, 13,719.01 and 5,748.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.42 : 13,719.01 = 5,748.67 : x
2. Step 2: Convert to fraction form
   9,940.42/13,719.01 = 5,748.67/x
3. Step 3: Cross multiply
   9,940.42x = 13,719.01 × 5,748.67
4. Step 4: Simplify right side
   9,940.42x = 78,866,061.22
5. Step 5: Solve for x
   x = 78,866,061.22/9,940.42
6. Step 6: Final answer
   x = 7,933.88