Finding the Fourth Proportional to 11,142.37, 16,702.56 and 5,303.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,142.37 : 16,702.56 = 5,303.08 : x
2. Step 2: Convert to fraction form
   11,142.37/16,702.56 = 5,303.08/x
3. Step 3: Cross multiply
   11,142.37x = 16,702.56 × 5,303.08
4. Step 4: Simplify right side
   11,142.37x = 88,575,011.88
5. Step 5: Solve for x
   x = 88,575,011.88/11,142.37
6. Step 6: Final answer
   x = 7,949.39