Finding the Fourth Proportional to 9,851.40, 13,594.43 and 5,375.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,851.40 : 13,594.43 = 5,375.12 : x
2. Step 2: Convert to fraction form
   9,851.40/13,594.43 = 5,375.12/x
3. Step 3: Cross multiply
   9,851.40x = 13,594.43 × 5,375.12
4. Step 4: Simplify right side
   9,851.40x = 73,071,638.05
5. Step 5: Solve for x
   x = 73,071,638.05/9,851.40
6. Step 6: Final answer
   x = 7,417.39