Finding the Fourth Proportional to 2,783.01, 4,174.49 and 1,117.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.01 : 4,174.49 = 1,117.89 : x
2. Step 2: Convert to fraction form
   2,783.01/4,174.49 = 1,117.89/x
3. Step 3: Cross multiply
   2,783.01x = 4,174.49 × 1,117.89
4. Step 4: Simplify right side
   2,783.01x = 4,666,615.04
5. Step 5: Solve for x
   x = 4,666,615.04/2,783.01
6. Step 6: Final answer
   x = 1,676.82