Finding the Fourth Proportional to 43,521.75, 65,181.38 and 42,324.53

Step by Step Solution

1. Step 1: Write the proportion equation
   43,521.75 : 65,181.38 = 42,324.53 : x
2. Step 2: Convert to fraction form
   43,521.75/65,181.38 = 42,324.53/x
3. Step 3: Cross multiply
   43,521.75x = 65,181.38 × 42,324.53
4. Step 4: Simplify right side
   43,521.75x = 2,758,770,735.72
5. Step 5: Solve for x
   x = 2,758,770,735.72/43,521.75
6. Step 6: Final answer
   x = 63,388.32