Finding the Fourth Proportional to 83.34, 114.92 and 61.47

Step by Step Solution

1. Step 1: Write the proportion equation
   83.34 : 114.92 = 61.47 : x
2. Step 2: Convert to fraction form
   83.34/114.92 = 61.47/x
3. Step 3: Cross multiply
   83.34x = 114.92 × 61.47
4. Step 4: Simplify right side
   83.34x = 7,063.83
5. Step 5: Solve for x
   x = 7,063.83/83.34
6. Step 6: Final answer
   x = 84.76