Finding the Fourth Proportional to 90.06, 124.25 and 59.02

Step by Step Solution

1. Step 1: Write the proportion equation
   90.06 : 124.25 = 59.02 : x
2. Step 2: Convert to fraction form
   90.06/124.25 = 59.02/x
3. Step 3: Cross multiply
   90.06x = 124.25 × 59.02
4. Step 4: Simplify right side
   90.06x = 7,333.24
5. Step 5: Solve for x
   x = 7,333.24/90.06
6. Step 6: Final answer
   x = 81.43