Finding the Fourth Proportional to 1,934.47, 2,902.22 and 1,111.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.47 : 2,902.22 = 1,111.27 : x
2. Step 2: Convert to fraction form
   1,934.47/2,902.22 = 1,111.27/x
3. Step 3: Cross multiply
   1,934.47x = 2,902.22 × 1,111.27
4. Step 4: Simplify right side
   1,934.47x = 3,225,145.25
5. Step 5: Solve for x
   x = 3,225,145.25/1,934.47
6. Step 6: Final answer
   x = 1,667.20