Finding the Fourth Proportional to 164.00, 245.89 and 61.16

Step by Step Solution

1. Step 1: Write the proportion equation
   164.00 : 245.89 = 61.16 : x
2. Step 2: Convert to fraction form
   164.00/245.89 = 61.16/x
3. Step 3: Cross multiply
   164.00x = 245.89 × 61.16
4. Step 4: Simplify right side
   164.00x = 15,038.69
5. Step 5: Solve for x
   x = 15,038.69/164.00
6. Step 6: Final answer
   x = 91.70