Finding the Fourth Proportional to 10,663.84, 14,695.32 and 7,674.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,663.84 : 14,695.32 = 7,674.40 : x
2. Step 2: Convert to fraction form
   10,663.84/14,695.32 = 7,674.40/x
3. Step 3: Cross multiply
   10,663.84x = 14,695.32 × 7,674.40
4. Step 4: Simplify right side
   10,663.84x = 112,777,763.81
5. Step 5: Solve for x
   x = 112,777,763.81/10,663.84
6. Step 6: Final answer
   x = 10,575.72