Finding the Fourth Proportional to 93.89, 140.82 and 61.34

Step by Step Solution

1. Step 1: Write the proportion equation
   93.89 : 140.82 = 61.34 : x
2. Step 2: Convert to fraction form
   93.89/140.82 = 61.34/x
3. Step 3: Cross multiply
   93.89x = 140.82 × 61.34
4. Step 4: Simplify right side
   93.89x = 8,638.10
5. Step 5: Solve for x
   x = 8,638.10/93.89
6. Step 6: Final answer
   x = 92.00