Finding the Fourth Proportional to 8,557.59, 12,837.20 and 3,362.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,557.59 : 12,837.20 = 3,362.25 : x
2. Step 2: Convert to fraction form
   8,557.59/12,837.20 = 3,362.25/x
3. Step 3: Cross multiply
   8,557.59x = 12,837.20 × 3,362.25
4. Step 4: Simplify right side
   8,557.59x = 43,161,858.89
5. Step 5: Solve for x
   x = 43,161,858.89/8,557.59
6. Step 6: Final answer
   x = 5,043.69