Finding the Fourth Proportional to 10,385.84, 14,311.86 and 7,396.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,385.84 : 14,311.86 = 7,396.40 : x
2. Step 2: Convert to fraction form
   10,385.84/14,311.86 = 7,396.40/x
3. Step 3: Cross multiply
   10,385.84x = 14,311.86 × 7,396.40
4. Step 4: Simplify right side
   10,385.84x = 105,856,241.30
5. Step 5: Solve for x
   x = 105,856,241.30/10,385.84
6. Step 6: Final answer
   x = 10,192.36