Finding the Fourth Proportional to 2,698.56, 4,047.72 and 943.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.56 : 4,047.72 = 943.96 : x
2. Step 2: Convert to fraction form
   2,698.56/4,047.72 = 943.96/x
3. Step 3: Cross multiply
   2,698.56x = 4,047.72 × 943.96
4. Step 4: Simplify right side
   2,698.56x = 3,820,885.77
5. Step 5: Solve for x
   x = 3,820,885.77/2,698.56
6. Step 6: Final answer
   x = 1,415.90