Finding the Fourth Proportional to 9,014.91, 12,441.25 and 5,187.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,014.91 : 12,441.25 = 5,187.72 : x
2. Step 2: Convert to fraction form
   9,014.91/12,441.25 = 5,187.72/x
3. Step 3: Cross multiply
   9,014.91x = 12,441.25 × 5,187.72
4. Step 4: Simplify right side
   9,014.91x = 64,541,774.59
5. Step 5: Solve for x
   x = 64,541,774.59/9,014.91
6. Step 6: Final answer
   x = 7,159.45