Finding the Fourth Proportional to 2,353.56, 3,529.72 and 1,118.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.56 : 3,529.72 = 1,118.51 : x
2. Step 2: Convert to fraction form
   2,353.56/3,529.72 = 1,118.51/x
3. Step 3: Cross multiply
   2,353.56x = 3,529.72 × 1,118.51
4. Step 4: Simplify right side
   2,353.56x = 3,948,037.34
5. Step 5: Solve for x
   x = 3,948,037.34/2,353.56
6. Step 6: Final answer
   x = 1,677.47