Finding the Fourth Proportional to 11,710.63, 16,167.35 and 7,743.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,710.63 : 16,167.35 = 7,743.25 : x
2. Step 2: Convert to fraction form
   11,710.63/16,167.35 = 7,743.25/x
3. Step 3: Cross multiply
   11,710.63x = 16,167.35 × 7,743.25
4. Step 4: Simplify right side
   11,710.63x = 125,187,811.83
5. Step 5: Solve for x
   x = 125,187,811.83/11,710.63
6. Step 6: Final answer
   x = 10,690.10