Finding the Fourth Proportional to 124.10, 186.12 and 59.10

Step by Step Solution

1. Step 1: Write the proportion equation
   124.10 : 186.12 = 59.10 : x
2. Step 2: Convert to fraction form
   124.10/186.12 = 59.10/x
3. Step 3: Cross multiply
   124.10x = 186.12 × 59.10
4. Step 4: Simplify right side
   124.10x = 10,999.69
5. Step 5: Solve for x
   x = 10,999.69/124.10
6. Step 6: Final answer
   x = 88.64