Finding the Fourth Proportional to 11,700.59, 16,146.72 and 6,395.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,700.59 : 16,146.72 = 6,395.31 : x
2. Step 2: Convert to fraction form
   11,700.59/16,146.72 = 6,395.31/x
3. Step 3: Cross multiply
   11,700.59x = 16,146.72 × 6,395.31
4. Step 4: Simplify right side
   11,700.59x = 103,263,279.88
5. Step 5: Solve for x
   x = 103,263,279.88/11,700.59
6. Step 6: Final answer
   x = 8,825.48