Finding the Fourth Proportional to 1,890.35, 2,834.76 and 1,111.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.35 : 2,834.76 = 1,111.92 : x
2. Step 2: Convert to fraction form
   1,890.35/2,834.76 = 1,111.92/x
3. Step 3: Cross multiply
   1,890.35x = 2,834.76 × 1,111.92
4. Step 4: Simplify right side
   1,890.35x = 3,152,026.34
5. Step 5: Solve for x
   x = 3,152,026.34/1,890.35
6. Step 6: Final answer
   x = 1,667.43