Finding the Fourth Proportional to 8,672.22, 13,010.25 and 4,774.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,672.22 : 13,010.25 = 4,774.62 : x
2. Step 2: Convert to fraction form
   8,672.22/13,010.25 = 4,774.62/x
3. Step 3: Cross multiply
   8,672.22x = 13,010.25 × 4,774.62
4. Step 4: Simplify right side
   8,672.22x = 62,118,999.86
5. Step 5: Solve for x
   x = 62,118,999.86/8,672.22
6. Step 6: Final answer
   x = 7,162.99