Finding the Fourth Proportional to 9,307.42, 13,944.72 and 4,915.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,307.42 : 13,944.72 = 4,915.18 : x
2. Step 2: Convert to fraction form
   9,307.42/13,944.72 = 4,915.18/x
3. Step 3: Cross multiply
   9,307.42x = 13,944.72 × 4,915.18
4. Step 4: Simplify right side
   9,307.42x = 68,540,808.85
5. Step 5: Solve for x
   x = 68,540,808.85/9,307.42
6. Step 6: Final answer
   x = 7,364.10