Finding the Fourth Proportional to 10,695.82, 14,764.34 and 9,574.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,695.82 : 14,764.34 = 9,574.78 : x
2. Step 2: Convert to fraction form
   10,695.82/14,764.34 = 9,574.78/x
3. Step 3: Cross multiply
   10,695.82x = 14,764.34 × 9,574.78
4. Step 4: Simplify right side
   10,695.82x = 141,365,307.35
5. Step 5: Solve for x
   x = 141,365,307.35/10,695.82
6. Step 6: Final answer
   x = 13,216.87