Finding the Fourth Proportional to 4,111.58, 5,635.94 and 4,056.21

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.58 : 5,635.94 = 4,056.21 : x
2. Step 2: Convert to fraction form
   4,111.58/5,635.94 = 4,056.21/x
3. Step 3: Cross multiply
   4,111.58x = 5,635.94 × 4,056.21
4. Step 4: Simplify right side
   4,111.58x = 22,860,535.91
5. Step 5: Solve for x
   x = 22,860,535.91/4,111.58
6. Step 6: Final answer
   x = 5,560.03