Finding the Fourth Proportional to 12,608.31, 18,914.52 and 3,724.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,608.31 : 18,914.52 = 3,724.54 : x
2. Step 2: Convert to fraction form
   12,608.31/18,914.52 = 3,724.54/x
3. Step 3: Cross multiply
   12,608.31x = 18,914.52 × 3,724.54
4. Step 4: Simplify right side
   12,608.31x = 70,447,886.32
5. Step 5: Solve for x
   x = 70,447,886.32/12,608.31
6. Step 6: Final answer
   x = 5,587.42