Finding the Fourth Proportional to 2,354.77, 3,249.61 and 1,292.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.77 : 3,249.61 = 1,292.63 : x
2. Step 2: Convert to fraction form
   2,354.77/3,249.61 = 1,292.63/x
3. Step 3: Cross multiply
   2,354.77x = 3,249.61 × 1,292.63
4. Step 4: Simplify right side
   2,354.77x = 4,200,543.37
5. Step 5: Solve for x
   x = 4,200,543.37/2,354.77
6. Step 6: Final answer
   x = 1,783.84