Finding the Fourth Proportional to 8,774.18, 13,159.47 and 3,225.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,774.18 : 13,159.47 = 3,225.59 : x
2. Step 2: Convert to fraction form
   8,774.18/13,159.47 = 3,225.59/x
3. Step 3: Cross multiply
   8,774.18x = 13,159.47 × 3,225.59
4. Step 4: Simplify right side
   8,774.18x = 42,447,054.84
5. Step 5: Solve for x
   x = 42,447,054.84/8,774.18
6. Step 6: Final answer
   x = 4,837.72