Finding the Fourth Proportional to 9,150.84, 12,627.90 and 5,613.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.84 : 12,627.90 = 5,613.48 : x
2. Step 2: Convert to fraction form
   9,150.84/12,627.90 = 5,613.48/x
3. Step 3: Cross multiply
   9,150.84x = 12,627.90 × 5,613.48
4. Step 4: Simplify right side
   9,150.84x = 70,886,464.09
5. Step 5: Solve for x
   x = 70,886,464.09/9,150.84
6. Step 6: Final answer
   x = 7,746.44