Finding the Fourth Proportional to 53.33, 79.83 and 50.00

Step by Step Solution

1. Step 1: Write the proportion equation
   53.33 : 79.83 = 50.00 : x
2. Step 2: Convert to fraction form
   53.33/79.83 = 50.00/x
3. Step 3: Cross multiply
   53.33x = 79.83 × 50.00
4. Step 4: Simplify right side
   53.33x = 3,991.10
5. Step 5: Solve for x
   x = 3,991.10/53.33
6. Step 6: Final answer
   x = 74.84