Finding the Fourth Proportional to 11,422.56, 17,124.81 and 7,498.26

Step by Step Solution

1. Step 1: Write the proportion equation
   11,422.56 : 17,124.81 = 7,498.26 : x
2. Step 2: Convert to fraction form
   11,422.56/17,124.81 = 7,498.26/x
3. Step 3: Cross multiply
   11,422.56x = 17,124.81 × 7,498.26
4. Step 4: Simplify right side
   11,422.56x = 128,406,277.83
5. Step 5: Solve for x
   x = 128,406,277.83/11,422.56
6. Step 6: Final answer
   x = 11,241.46