Finding the Fourth Proportional to 13,085.48, 19,628.06 and 3,224.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,085.48 : 19,628.06 = 3,224.85 : x
2. Step 2: Convert to fraction form
   13,085.48/19,628.06 = 3,224.85/x
3. Step 3: Cross multiply
   13,085.48x = 19,628.06 × 3,224.85
4. Step 4: Simplify right side
   13,085.48x = 63,297,533.17
5. Step 5: Solve for x
   x = 63,297,533.17/13,085.48
6. Step 6: Final answer
   x = 4,837.24