Finding the Fourth Proportional to 2,865.56, 4,298.72 and 1,404.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,865.56 : 4,298.72 = 1,404.76 : x
2. Step 2: Convert to fraction form
   2,865.56/4,298.72 = 1,404.76/x
3. Step 3: Cross multiply
   2,865.56x = 4,298.72 × 1,404.76
4. Step 4: Simplify right side
   2,865.56x = 6,038,669.91
5. Step 5: Solve for x
   x = 6,038,669.91/2,865.56
6. Step 6: Final answer
   x = 2,107.33