Finding the Fourth Proportional to 51.98, 71.69 and 43.25

Step by Step Solution

1. Step 1: Write the proportion equation
   51.98 : 71.69 = 43.25 : x
2. Step 2: Convert to fraction form
   51.98/71.69 = 43.25/x
3. Step 3: Cross multiply
   51.98x = 71.69 × 43.25
4. Step 4: Simplify right side
   51.98x = 3,100.02
5. Step 5: Solve for x
   x = 3,100.02/51.98
6. Step 6: Final answer
   x = 59.64