Finding the Fourth Proportional to 82.41, 113.72 and 53.34

Step by Step Solution

1. Step 1: Write the proportion equation
   82.41 : 113.72 = 53.34 : x
2. Step 2: Convert to fraction form
   82.41/113.72 = 53.34/x
3. Step 3: Cross multiply
   82.41x = 113.72 × 53.34
4. Step 4: Simplify right side
   82.41x = 6,065.56
5. Step 5: Solve for x
   x = 6,065.56/82.41
6. Step 6: Final answer
   x = 73.60