Finding the Fourth Proportional to 12,601.86, 17,390.96 and 7,225.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,601.86 : 17,390.96 = 7,225.08 : x
2. Step 2: Convert to fraction form
   12,601.86/17,390.96 = 7,225.08/x
3. Step 3: Cross multiply
   12,601.86x = 17,390.96 × 7,225.08
4. Step 4: Simplify right side
   12,601.86x = 125,651,041.15
5. Step 5: Solve for x
   x = 125,651,041.15/12,601.86
6. Step 6: Final answer
   x = 9,970.83