Finding the Fourth Proportional to 1,373.62, 1,896.49 and 1,122.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.62 : 1,896.49 = 1,122.16 : x
2. Step 2: Convert to fraction form
   1,373.62/1,896.49 = 1,122.16/x
3. Step 3: Cross multiply
   1,373.62x = 1,896.49 × 1,122.16
4. Step 4: Simplify right side
   1,373.62x = 2,128,155.34
5. Step 5: Solve for x
   x = 2,128,155.34/1,373.62
6. Step 6: Final answer
   x = 1,549.30