Finding the Fourth Proportional to 6,993.42, 9,654.84 and 5,375.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,993.42 : 9,654.84 = 5,375.31 : x
2. Step 2: Convert to fraction form
   6,993.42/9,654.84 = 5,375.31/x
3. Step 3: Cross multiply
   6,993.42x = 9,654.84 × 5,375.31
4. Step 4: Simplify right side
   6,993.42x = 51,897,758.00
5. Step 5: Solve for x
   x = 51,897,758.00/6,993.42
6. Step 6: Final answer
   x = 7,420.94