Finding the Fourth Proportional to 61.39, 91.67 and 41.98

Step by Step Solution

1. Step 1: Write the proportion equation
   61.39 : 91.67 = 41.98 : x
2. Step 2: Convert to fraction form
   61.39/91.67 = 41.98/x
3. Step 3: Cross multiply
   61.39x = 91.67 × 41.98
4. Step 4: Simplify right side
   61.39x = 3,848.31
5. Step 5: Solve for x
   x = 3,848.31/61.39
6. Step 6: Final answer
   x = 62.69