Finding the Fourth Proportional to 67,780, 93,537.48 and 37,972

Step by Step Solution

1. Step 1: Write the proportion equation
   67,780 : 93,537.48 = 37,972 : x
2. Step 2: Convert to fraction form
   67,780/93,537.48 = 37,972/x
3. Step 3: Cross multiply
   67,780x = 93,537.48 × 37,972
4. Step 4: Simplify right side
   67,780x = 3,551,805,190.56
5. Step 5: Solve for x
   x = 3,551,805,190.56/67,780
6. Step 6: Final answer
   x = 52,401.97