Finding the Fourth Proportional to 8,967.96, 13,453.74 and 3,123

Step by Step Solution

1. Step 1: Write the proportion equation
   8,967.96 : 13,453.74 = 3,123 : x
2. Step 2: Convert to fraction form
   8,967.96/13,453.74 = 3,123/x
3. Step 3: Cross multiply
   8,967.96x = 13,453.74 × 3,123
4. Step 4: Simplify right side
   8,967.96x = 42,016,030.02
5. Step 5: Solve for x
   x = 42,016,030.02/8,967.96
6. Step 6: Final answer
   x = 4,685.13