Finding the Fourth Proportional to 55,687.57, 83,513.52 and 18,237.49

Step by Step Solution

1. Step 1: Write the proportion equation
   55,687.57 : 83,513.52 = 18,237.49 : x
2. Step 2: Convert to fraction form
   55,687.57/83,513.52 = 18,237.49/x
3. Step 3: Cross multiply
   55,687.57x = 83,513.52 × 18,237.49
4. Step 4: Simplify right side
   55,687.57x = 1,523,076,985.86
5. Step 5: Solve for x
   x = 1,523,076,985.86/55,687.57
6. Step 6: Final answer
   x = 27,350.39