Finding the Fourth Proportional to 10,693.78, 16,051.06 and 7,751.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,693.78 : 16,051.06 = 7,751.15 : x
2. Step 2: Convert to fraction form
   10,693.78/16,051.06 = 7,751.15/x
3. Step 3: Cross multiply
   10,693.78x = 16,051.06 × 7,751.15
4. Step 4: Simplify right side
   10,693.78x = 124,414,173.72
5. Step 5: Solve for x
   x = 124,414,173.72/10,693.78
6. Step 6: Final answer
   x = 11,634.26