Finding the Fourth Proportional to 7,317.56, 10,976.82 and 2,123

Step by Step Solution

1. Step 1: Write the proportion equation
   7,317.56 : 10,976.82 = 2,123 : x
2. Step 2: Convert to fraction form
   7,317.56/10,976.82 = 2,123/x
3. Step 3: Cross multiply
   7,317.56x = 10,976.82 × 2,123
4. Step 4: Simplify right side
   7,317.56x = 23,303,788.86
5. Step 5: Solve for x
   x = 23,303,788.86/7,317.56
6. Step 6: Final answer
   x = 3,184.64