Finding the Fourth Proportional to 2,783.47, 4,176.06 and 1,117.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.47 : 4,176.06 = 1,117.59 : x
2. Step 2: Convert to fraction form
   2,783.47/4,176.06 = 1,117.59/x
3. Step 3: Cross multiply
   2,783.47x = 4,176.06 × 1,117.59
4. Step 4: Simplify right side
   2,783.47x = 4,667,122.90
5. Step 5: Solve for x
   x = 4,667,122.90/2,783.47
6. Step 6: Final answer
   x = 1,676.73