Finding the Fourth Proportional to 5,558.01, 8,327.76 and 3,911.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,558.01 : 8,327.76 = 3,911.10 : x
2. Step 2: Convert to fraction form
   5,558.01/8,327.76 = 3,911.10/x
3. Step 3: Cross multiply
   5,558.01x = 8,327.76 × 3,911.10
4. Step 4: Simplify right side
   5,558.01x = 32,570,670.91
5. Step 5: Solve for x
   x = 32,570,670.91/5,558.01
6. Step 6: Final answer
   x = 5,860.13