Finding the Fourth Proportional to 83.48, 125.25 and 42.93

Step by Step Solution

1. Step 1: Write the proportion equation
   83.48 : 125.25 = 42.93 : x
2. Step 2: Convert to fraction form
   83.48/125.25 = 42.93/x
3. Step 3: Cross multiply
   83.48x = 125.25 × 42.93
4. Step 4: Simplify right side
   83.48x = 5,376.82
5. Step 5: Solve for x
   x = 5,376.82/83.48
6. Step 6: Final answer
   x = 64.41