Finding the Fourth Proportional to 7,146.78, 9,860.94 and 4,314.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,146.78 : 9,860.94 = 4,314.61 : x
2. Step 2: Convert to fraction form
   7,146.78/9,860.94 = 4,314.61/x
3. Step 3: Cross multiply
   7,146.78x = 9,860.94 × 4,314.61
4. Step 4: Simplify right side
   7,146.78x = 42,546,110.33
5. Step 5: Solve for x
   x = 42,546,110.33/7,146.78
6. Step 6: Final answer
   x = 5,953.19