Finding the Fourth Proportional to 11,150.37, 15,387.71 and 6,434.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,150.37 : 15,387.71 = 6,434.82 : x
2. Step 2: Convert to fraction form
   11,150.37/15,387.71 = 6,434.82/x
3. Step 3: Cross multiply
   11,150.37x = 15,387.71 × 6,434.82
4. Step 4: Simplify right side
   11,150.37x = 99,017,111.89
5. Step 5: Solve for x
   x = 99,017,111.89/11,150.37
6. Step 6: Final answer
   x = 8,880.16