Finding the Fourth Proportional to 9,851.72, 13,594.94 and 5,375.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,851.72 : 13,594.94 = 5,375.40 : x
2. Step 2: Convert to fraction form
   9,851.72/13,594.94 = 5,375.40/x
3. Step 3: Cross multiply
   9,851.72x = 13,594.94 × 5,375.40
4. Step 4: Simplify right side
   9,851.72x = 73,078,240.48
5. Step 5: Solve for x
   x = 73,078,240.48/9,851.72
6. Step 6: Final answer
   x = 7,417.82