Finding the Fourth Proportional to 1,885.86, 2,828.84 and 1,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.86 : 2,828.84 = 1,111.31 : x
2. Step 2: Convert to fraction form
   1,885.86/2,828.84 = 1,111.31/x
3. Step 3: Cross multiply
   1,885.86x = 2,828.84 × 1,111.31
4. Step 4: Simplify right side
   1,885.86x = 3,143,698.48
5. Step 5: Solve for x
   x = 3,143,698.48/1,885.86
6. Step 6: Final answer
   x = 1,666.98