Finding the Fourth Proportional to 99.83, 149.67 and 69.32

Step by Step Solution

1. Step 1: Write the proportion equation
   99.83 : 149.67 = 69.32 : x
2. Step 2: Convert to fraction form
   99.83/149.67 = 69.32/x
3. Step 3: Cross multiply
   99.83x = 149.67 × 69.32
4. Step 4: Simplify right side
   99.83x = 10,375.12
5. Step 5: Solve for x
   x = 10,375.12/99.83
6. Step 6: Final answer
   x = 103.93