Finding the Fourth Proportional to 99.98, 149.88 and 69.62

Step by Step Solution

1. Step 1: Write the proportion equation
   99.98 : 149.88 = 69.62 : x
2. Step 2: Convert to fraction form
   99.98/149.88 = 69.62/x
3. Step 3: Cross multiply
   99.98x = 149.88 × 69.62
4. Step 4: Simplify right side
   99.98x = 10,434.65
5. Step 5: Solve for x
   x = 10,434.65/99.98
6. Step 6: Final answer
   x = 104.37