Finding the Fourth Proportional to 2,123.45, 3,182.87 and 1,026.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.45 : 3,182.87 = 1,026.30 : x
2. Step 2: Convert to fraction form
   2,123.45/3,182.87 = 1,026.30/x
3. Step 3: Cross multiply
   2,123.45x = 3,182.87 × 1,026.30
4. Step 4: Simplify right side
   2,123.45x = 3,266,579.48
5. Step 5: Solve for x
   x = 3,266,579.48/2,123.45
6. Step 6: Final answer
   x = 1,538.34