Finding the Fourth Proportional to 61.52, 92.42 and 57.82

Step by Step Solution

1. Step 1: Write the proportion equation
   61.52 : 92.42 = 57.82 : x
2. Step 2: Convert to fraction form
   61.52/92.42 = 57.82/x
3. Step 3: Cross multiply
   61.52x = 92.42 × 57.82
4. Step 4: Simplify right side
   61.52x = 5,343.72
5. Step 5: Solve for x
   x = 5,343.72/61.52
6. Step 6: Final answer
   x = 86.86