Finding the Fourth Proportional to 35,401.15, 53,110.83 and 10,440.19

Step by Step Solution

1. Step 1: Write the proportion equation
   35,401.15 : 53,110.83 = 10,440.19 : x
2. Step 2: Convert to fraction form
   35,401.15/53,110.83 = 10,440.19/x
3. Step 3: Cross multiply
   35,401.15x = 53,110.83 × 10,440.19
4. Step 4: Simplify right side
   35,401.15x = 554,486,890.70
5. Step 5: Solve for x
   x = 554,486,890.70/35,401.15
6. Step 6: Final answer
   x = 15,662.96