Finding the Fourth Proportional to 69.89, 104.84 and 43.00

Step by Step Solution

1. Step 1: Write the proportion equation
   69.89 : 104.84 = 43.00 : x
2. Step 2: Convert to fraction form
   69.89/104.84 = 43.00/x
3. Step 3: Cross multiply
   69.89x = 104.84 × 43.00
4. Step 4: Simplify right side
   69.89x = 4,507.38
5. Step 5: Solve for x
   x = 4,507.38/69.89
6. Step 6: Final answer
   x = 64.49