Finding the Fourth Proportional to 93,243.72, 139,923.90 and 37,839.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,243.72 : 139,923.90 = 37,839.72 : x
2. Step 2: Convert to fraction form
   93,243.72/139,923.90 = 37,839.72/x
3. Step 3: Cross multiply
   93,243.72x = 139,923.90 × 37,839.72
4. Step 4: Simplify right side
   93,243.72x = 5,294,681,197.31
5. Step 5: Solve for x
   x = 5,294,681,197.31/93,243.72
6. Step 6: Final answer
   x = 56,783.25