Finding the Fourth Proportional to 1,559.34, 2,123.06 and 1,554.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.34 : 2,123.06 = 1,554.48 : x
2. Step 2: Convert to fraction form
   1,559.34/2,123.06 = 1,554.48/x
3. Step 3: Cross multiply
   1,559.34x = 2,123.06 × 1,554.48
4. Step 4: Simplify right side
   1,559.34x = 3,300,254.31
5. Step 5: Solve for x
   x = 3,300,254.31/1,559.34
6. Step 6: Final answer
   x = 2,116.44