Finding the Fourth Proportional to 6,938.10, 9,573.46 and 3,953.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,938.10 : 9,573.46 = 3,953.98 : x
2. Step 2: Convert to fraction form
   6,938.10/9,573.46 = 3,953.98/x
3. Step 3: Cross multiply
   6,938.10x = 9,573.46 × 3,953.98
4. Step 4: Simplify right side
   6,938.10x = 37,853,269.37
5. Step 5: Solve for x
   x = 37,853,269.37/6,938.10
6. Step 6: Final answer
   x = 5,455.86