Finding the Fourth Proportional to 11,406.24, 17,086.64 and 7,498.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,406.24 : 17,086.64 = 7,498.80 : x
2. Step 2: Convert to fraction form
   11,406.24/17,086.64 = 7,498.80/x
3. Step 3: Cross multiply
   11,406.24x = 17,086.64 × 7,498.80
4. Step 4: Simplify right side
   11,406.24x = 128,129,296.03
5. Step 5: Solve for x
   x = 128,129,296.03/11,406.24
6. Step 6: Final answer
   x = 11,233.26