Finding the Fourth Proportional to 7,674.72, 10,590.72 and 4,317.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,674.72 : 10,590.72 = 4,317.60 : x
2. Step 2: Convert to fraction form
   7,674.72/10,590.72 = 4,317.60/x
3. Step 3: Cross multiply
   7,674.72x = 10,590.72 × 4,317.60
4. Step 4: Simplify right side
   7,674.72x = 45,726,492.67
5. Step 5: Solve for x
   x = 45,726,492.67/7,674.72
6. Step 6: Final answer
   x = 5,958.07