Finding the Fourth Proportional to 6,417.79, 8,856.56 and 3,623.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,417.79 : 8,856.56 = 3,623.29 : x
2. Step 2: Convert to fraction form
   6,417.79/8,856.56 = 3,623.29/x
3. Step 3: Cross multiply
   6,417.79x = 8,856.56 × 3,623.29
4. Step 4: Simplify right side
   6,417.79x = 32,089,885.28
5. Step 5: Solve for x
   x = 32,089,885.28/6,417.79
6. Step 6: Final answer
   x = 5,000.15