Finding the Fourth Proportional to 116.06, 174.09 and 59.10

Step by Step Solution

1. Step 1: Write the proportion equation
   116.06 : 174.09 = 59.10 : x
2. Step 2: Convert to fraction form
   116.06/174.09 = 59.10/x
3. Step 3: Cross multiply
   116.06x = 174.09 × 59.10
4. Step 4: Simplify right side
   116.06x = 10,288.72
5. Step 5: Solve for x
   x = 10,288.72/116.06
6. Step 6: Final answer
   x = 88.65