Finding the Fourth Proportional to 9,150.98, 13,725.91 and 4,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.98 : 13,725.91 = 4,152.16 : x
2. Step 2: Convert to fraction form
   9,150.98/13,725.91 = 4,152.16/x
3. Step 3: Cross multiply
   9,150.98x = 13,725.91 × 4,152.16
4. Step 4: Simplify right side
   9,150.98x = 56,992,173.46
5. Step 5: Solve for x
   x = 56,992,173.46/9,150.98
6. Step 6: Final answer
   x = 6,227.99