Finding the Fourth Proportional to 42.83, 64.55 and 41.00

Step by Step Solution

1. Step 1: Write the proportion equation
   42.83 : 64.55 = 41.00 : x
2. Step 2: Convert to fraction form
   42.83/64.55 = 41.00/x
3. Step 3: Cross multiply
   42.83x = 64.55 × 41.00
4. Step 4: Simplify right side
   42.83x = 2,646.02
5. Step 5: Solve for x
   x = 2,646.02/42.83
6. Step 6: Final answer
   x = 61.79