Finding the Fourth Proportional to 11,128.51, 15,357.04 and 6,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,128.51 : 15,357.04 = 6,092.72 : x
2. Step 2: Convert to fraction form
   11,128.51/15,357.04 = 6,092.72/x
3. Step 3: Cross multiply
   11,128.51x = 15,357.04 × 6,092.72
4. Step 4: Simplify right side
   11,128.51x = 93,566,144.75
5. Step 5: Solve for x
   x = 93,566,144.75/11,128.51
6. Step 6: Final answer
   x = 8,407.79