Finding the Fourth Proportional to 7,147.42, 9,858.84 and 5,154.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,147.42 : 9,858.84 = 5,154.82 : x
2. Step 2: Convert to fraction form
   7,147.42/9,858.84 = 5,154.82/x
3. Step 3: Cross multiply
   7,147.42x = 9,858.84 × 5,154.82
4. Step 4: Simplify right side
   7,147.42x = 50,820,545.61
5. Step 5: Solve for x
   x = 50,820,545.61/7,147.42
6. Step 6: Final answer
   x = 7,110.33