Finding the Fourth Proportional to 67,845.30, 93,637.72 and 37,640.35

Step by Step Solution

1. Step 1: Write the proportion equation
   67,845.30 : 93,637.72 = 37,640.35 : x
2. Step 2: Convert to fraction form
   67,845.30/93,637.72 = 37,640.35/x
3. Step 3: Cross multiply
   67,845.30x = 93,637.72 × 37,640.35
4. Step 4: Simplify right side
   67,845.30x = 3,524,556,999.53
5. Step 5: Solve for x
   x = 3,524,556,999.53/67,845.30
6. Step 6: Final answer
   x = 51,949.91