Finding the Fourth Proportional to 67,686, 93,393.72 and 43,809.36

Step by Step Solution

1. Step 1: Write the proportion equation
   67,686 : 93,393.72 = 43,809.36 : x
2. Step 2: Convert to fraction form
   67,686/93,393.72 = 43,809.36/x
3. Step 3: Cross multiply
   67,686x = 93,393.72 × 43,809.36
4. Step 4: Simplify right side
   67,686x = 4,091,519,101.22
5. Step 5: Solve for x
   x = 4,091,519,101.22/67,686
6. Step 6: Final answer
   x = 60,448.53