Finding the Fourth Proportional to 10,119.72, 13,967.00 and 7,725.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,119.72 : 13,967.00 = 7,725.77 : x
2. Step 2: Convert to fraction form
   10,119.72/13,967.00 = 7,725.77/x
3. Step 3: Cross multiply
   10,119.72x = 13,967.00 × 7,725.77
4. Step 4: Simplify right side
   10,119.72x = 107,905,721.13
5. Step 5: Solve for x
   x = 107,905,721.13/10,119.72
6. Step 6: Final answer
   x = 10,662.92