Finding the Fourth Proportional to 91.69, 126.33 and 62.53

Step by Step Solution

1. Step 1: Write the proportion equation
   91.69 : 126.33 = 62.53 : x
2. Step 2: Convert to fraction form
   91.69/126.33 = 62.53/x
3. Step 3: Cross multiply
   91.69x = 126.33 × 62.53
4. Step 4: Simplify right side
   91.69x = 7,898.47
5. Step 5: Solve for x
   x = 7,898.47/91.69
6. Step 6: Final answer
   x = 86.15