Finding the Fourth Proportional to 10,156.56, 14,003.28 and 7,769.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.56 : 14,003.28 = 7,769.44 : x
2. Step 2: Convert to fraction form
   10,156.56/14,003.28 = 7,769.44/x
3. Step 3: Cross multiply
   10,156.56x = 14,003.28 × 7,769.44
4. Step 4: Simplify right side
   10,156.56x = 108,797,643.76
5. Step 5: Solve for x
   x = 108,797,643.76/10,156.56
6. Step 6: Final answer
   x = 10,712.06