Finding the Fourth Proportional to 43,915.72, 60,582.72 and 42,218.32

Step by Step Solution

1. Step 1: Write the proportion equation
   43,915.72 : 60,582.72 = 42,218.32 : x
2. Step 2: Convert to fraction form
   43,915.72/60,582.72 = 42,218.32/x
3. Step 3: Cross multiply
   43,915.72x = 60,582.72 × 42,218.32
4. Step 4: Simplify right side
   43,915.72x = 2,557,700,659.43
5. Step 5: Solve for x
   x = 2,557,700,659.43/43,915.72
6. Step 6: Final answer
   x = 58,241.12