Finding the Fourth Proportional to 9,851.91, 13,595.89 and 5,375.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,851.91 : 13,595.89 = 5,375.74 : x
2. Step 2: Convert to fraction form
   9,851.91/13,595.89 = 5,375.74/x
3. Step 3: Cross multiply
   9,851.91x = 13,595.89 × 5,375.74
4. Step 4: Simplify right side
   9,851.91x = 73,087,874.85
5. Step 5: Solve for x
   x = 73,087,874.85/9,851.91
6. Step 6: Final answer
   x = 7,418.65