Finding the Fourth Proportional to 2,123.08, 3,183.64 and 1,012.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.08 : 3,183.64 = 1,012.79 : x
2. Step 2: Convert to fraction form
   2,123.08/3,183.64 = 1,012.79/x
3. Step 3: Cross multiply
   2,123.08x = 3,183.64 × 1,012.79
4. Step 4: Simplify right side
   2,123.08x = 3,224,358.76
5. Step 5: Solve for x
   x = 3,224,358.76/2,123.08
6. Step 6: Final answer
   x = 1,518.72