Finding the Fourth Proportional to 67.97, 101.90 and 56.00

Step by Step Solution

1. Step 1: Write the proportion equation
   67.97 : 101.90 = 56.00 : x
2. Step 2: Convert to fraction form
   67.97/101.90 = 56.00/x
3. Step 3: Cross multiply
   67.97x = 101.90 × 56.00
4. Step 4: Simplify right side
   67.97x = 5,705.61
5. Step 5: Solve for x
   x = 5,705.61/67.97
6. Step 6: Final answer
   x = 83.95