Finding the Fourth Proportional to 11,381.51, 17,049.72 and 5,369.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,381.51 : 17,049.72 = 5,369.36 : x
2. Step 2: Convert to fraction form
   11,381.51/17,049.72 = 5,369.36/x
3. Step 3: Cross multiply
   11,381.51x = 17,049.72 × 5,369.36
4. Step 4: Simplify right side
   11,381.51x = 91,545,999.33
5. Step 5: Solve for x
   x = 91,545,999.33/11,381.51
6. Step 6: Final answer
   x = 8,043.40