Finding the Fourth Proportional to 12,592.86, 17,379.72 and 7,214.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,592.86 : 17,379.72 = 7,214.25 : x
2. Step 2: Convert to fraction form
   12,592.86/17,379.72 = 7,214.25/x
3. Step 3: Cross multiply
   12,592.86x = 17,379.72 × 7,214.25
4. Step 4: Simplify right side
   12,592.86x = 125,381,645.01
5. Step 5: Solve for x
   x = 125,381,645.01/12,592.86
6. Step 6: Final answer
   x = 9,956.57