Finding the Fourth Proportional to 90.86, 125.36 and 59.82

Step by Step Solution

1. Step 1: Write the proportion equation
   90.86 : 125.36 = 59.82 : x
2. Step 2: Convert to fraction form
   90.86/125.36 = 59.82/x
3. Step 3: Cross multiply
   90.86x = 125.36 × 59.82
4. Step 4: Simplify right side
   90.86x = 7,499.53
5. Step 5: Solve for x
   x = 7,499.53/90.86
6. Step 6: Final answer
   x = 82.54