Finding the Fourth Proportional to 35,466.72, 53,198.16 and 10,842.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,466.72 : 53,198.16 = 10,842.72 : x
2. Step 2: Convert to fraction form
   35,466.72/53,198.16 = 10,842.72/x
3. Step 3: Cross multiply
   35,466.72x = 53,198.16 × 10,842.72
4. Step 4: Simplify right side
   35,466.72x = 576,812,753.40
5. Step 5: Solve for x
   x = 576,812,753.40/35,466.72
6. Step 6: Final answer
   x = 16,263.49