Finding the Fourth Proportional to 9,851.57, 13,595.15 and 5,375.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,851.57 : 13,595.15 = 5,375.31 : x
2. Step 2: Convert to fraction form
   9,851.57/13,595.15 = 5,375.31/x
3. Step 3: Cross multiply
   9,851.57x = 13,595.15 × 5,375.31
4. Step 4: Simplify right side
   9,851.57x = 73,078,207.79
5. Step 5: Solve for x
   x = 73,078,207.79/9,851.57
6. Step 6: Final answer
   x = 7,417.93