Finding the Fourth Proportional to 4,298.72, 5,893.60 and 4,220.96

Step by Step Solution

1. Step 1: Write the proportion equation
   4,298.72 : 5,893.60 = 4,220.96 : x
2. Step 2: Convert to fraction form
   4,298.72/5,893.60 = 4,220.96/x
3. Step 3: Cross multiply
   4,298.72x = 5,893.60 × 4,220.96
4. Step 4: Simplify right side
   4,298.72x = 24,876,649.86
5. Step 5: Solve for x
   x = 24,876,649.86/4,298.72
6. Step 6: Final answer
   x = 5,786.99