Finding the Fourth Proportional to 2,847.86, 4,271.90 and 1,092.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.86 : 4,271.90 = 1,092.63 : x
2. Step 2: Convert to fraction form
   2,847.86/4,271.90 = 1,092.63/x
3. Step 3: Cross multiply
   2,847.86x = 4,271.90 × 1,092.63
4. Step 4: Simplify right side
   2,847.86x = 4,667,606.10
5. Step 5: Solve for x
   x = 4,667,606.10/2,847.86
6. Step 6: Final answer
   x = 1,638.99