Finding the Fourth Proportional to 35,441.18, 53,161.98 and 9,146.15

Step by Step Solution

1. Step 1: Write the proportion equation
   35,441.18 : 53,161.98 = 9,146.15 : x
2. Step 2: Convert to fraction form
   35,441.18/53,161.98 = 9,146.15/x
3. Step 3: Cross multiply
   35,441.18x = 53,161.98 × 9,146.15
4. Step 4: Simplify right side
   35,441.18x = 486,227,443.38
5. Step 5: Solve for x
   x = 486,227,443.38/35,441.18
6. Step 6: Final answer
   x = 13,719.28