Finding the Fourth Proportional to 91.32, 137.00 and 83.82

Step by Step Solution

1. Step 1: Write the proportion equation
   91.32 : 137.00 = 83.82 : x
2. Step 2: Convert to fraction form
   91.32/137.00 = 83.82/x
3. Step 3: Cross multiply
   91.32x = 137.00 × 83.82
4. Step 4: Simplify right side
   91.32x = 11,483.55
5. Step 5: Solve for x
   x = 11,483.55/91.32
6. Step 6: Final answer
   x = 125.75