Finding the Fourth Proportional to 10,300.77, 14,223.70 and 7,659.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.77 : 14,223.70 = 7,659.97 : x
2. Step 2: Convert to fraction form
   10,300.77/14,223.70 = 7,659.97/x
3. Step 3: Cross multiply
   10,300.77x = 14,223.70 × 7,659.97
4. Step 4: Simplify right side
   10,300.77x = 108,953,089.30
5. Step 5: Solve for x
   x = 108,953,089.30/10,300.77
6. Step 6: Final answer
   x = 10,577.18