Finding the Fourth Proportional to 37,261.89, 55,898.37 and 12,304.57

Step by Step Solution

1. Step 1: Write the proportion equation
   37,261.89 : 55,898.37 = 12,304.57 : x
2. Step 2: Convert to fraction form
   37,261.89/55,898.37 = 12,304.57/x
3. Step 3: Cross multiply
   37,261.89x = 55,898.37 × 12,304.57
4. Step 4: Simplify right side
   37,261.89x = 687,805,406.55
5. Step 5: Solve for x
   x = 687,805,406.55/37,261.89
6. Step 6: Final answer
   x = 18,458.68