Finding the Fourth Proportional to 67.83, 93.31 and 53.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67.83 : 93.31 = 53.25 : x
2. Step 2: Convert to fraction form
   67.83/93.31 = 53.25/x
3. Step 3: Cross multiply
   67.83x = 93.31 × 53.25
4. Step 4: Simplify right side
   67.83x = 4,968.76
5. Step 5: Solve for x
   x = 4,968.76/67.83
6. Step 6: Final answer
   x = 73.25