Finding the Fourth Proportional to 11,437.93, 15,784.59 and 8,086.65

Step by Step Solution

1. Step 1: Write the proportion equation
   11,437.93 : 15,784.59 = 8,086.65 : x
2. Step 2: Convert to fraction form
   11,437.93/15,784.59 = 8,086.65/x
3. Step 3: Cross multiply
   11,437.93x = 15,784.59 × 8,086.65
4. Step 4: Simplify right side
   11,437.93x = 127,644,454.72
5. Step 5: Solve for x
   x = 127,644,454.72/11,437.93
6. Step 6: Final answer
   x = 11,159.75