Finding the Fourth Proportional to 67,698.48, 93,421.60 and 37,485.07

Step by Step Solution

1. Step 1: Write the proportion equation
   67,698.48 : 93,421.60 = 37,485.07 : x
2. Step 2: Convert to fraction form
   67,698.48/93,421.60 = 37,485.07/x
3. Step 3: Cross multiply
   67,698.48x = 93,421.60 × 37,485.07
4. Step 4: Simplify right side
   67,698.48x = 3,501,915,215.51
5. Step 5: Solve for x
   x = 3,501,915,215.51/67,698.48
6. Step 6: Final answer
   x = 51,728.12