Finding the Fourth Proportional to 11,400.74, 17,089.50 and 7,243.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,400.74 : 17,089.50 = 7,243.82 : x
2. Step 2: Convert to fraction form
   11,400.74/17,089.50 = 7,243.82/x
3. Step 3: Cross multiply
   11,400.74x = 17,089.50 × 7,243.82
4. Step 4: Simplify right side
   11,400.74x = 123,793,261.89
5. Step 5: Solve for x
   x = 123,793,261.89/11,400.74
6. Step 6: Final answer
   x = 10,858.35