Finding the Fourth Proportional to 11,743.31, 16,203.78 and 7,762.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,743.31 : 16,203.78 = 7,762.30 : x
2. Step 2: Convert to fraction form
   11,743.31/16,203.78 = 7,762.30/x
3. Step 3: Cross multiply
   11,743.31x = 16,203.78 × 7,762.30
4. Step 4: Simplify right side
   11,743.31x = 125,778,560.98
5. Step 5: Solve for x
   x = 125,778,560.98/11,743.31
6. Step 6: Final answer
   x = 10,710.65