Finding the Fourth Proportional to 1,769.22, 2,654.91 and 1,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.22 : 2,654.91 = 1,111.50 : x
2. Step 2: Convert to fraction form
   1,769.22/2,654.91 = 1,111.50/x
3. Step 3: Cross multiply
   1,769.22x = 2,654.91 × 1,111.50
4. Step 4: Simplify right side
   1,769.22x = 2,950,932.47
5. Step 5: Solve for x
   x = 2,950,932.47/1,769.22
6. Step 6: Final answer
   x = 1,667.93