Finding the Fourth Proportional to 9,150.84, 13,728.42 and 3,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.84 : 13,728.42 = 3,307.50 : x
2. Step 2: Convert to fraction form
   9,150.84/13,728.42 = 3,307.50/x
3. Step 3: Cross multiply
   9,150.84x = 13,728.42 × 3,307.50
4. Step 4: Simplify right side
   9,150.84x = 45,406,749.15
5. Step 5: Solve for x
   x = 45,406,749.15/9,150.84
6. Step 6: Final answer
   x = 4,962.03