Finding the Fourth Proportional to 1,369.06, 2,050.47 and 1,123.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.06 : 2,050.47 = 1,123.01 : x
2. Step 2: Convert to fraction form
   1,369.06/2,050.47 = 1,123.01/x
3. Step 3: Cross multiply
   1,369.06x = 2,050.47 × 1,123.01
4. Step 4: Simplify right side
   1,369.06x = 2,302,698.31
5. Step 5: Solve for x
   x = 2,302,698.31/1,369.06
6. Step 6: Final answer
   x = 1,681.96