Finding the Fourth Proportional to 11,698.26, 16,145.43 and 7,451.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,698.26 : 16,145.43 = 7,451.15 : x
2. Step 2: Convert to fraction form
   11,698.26/16,145.43 = 7,451.15/x
3. Step 3: Cross multiply
   11,698.26x = 16,145.43 × 7,451.15
4. Step 4: Simplify right side
   11,698.26x = 120,301,902.76
5. Step 5: Solve for x
   x = 120,301,902.76/11,698.26
6. Step 6: Final answer
   x = 10,283.74