Finding the Fourth Proportional to 1,600.56, 2,208.96 and 1,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,600.56 : 2,208.96 = 1,404.72 : x
2. Step 2: Convert to fraction form
   1,600.56/2,208.96 = 1,404.72/x
3. Step 3: Cross multiply
   1,600.56x = 2,208.96 × 1,404.72
4. Step 4: Simplify right side
   1,600.56x = 3,102,970.29
5. Step 5: Solve for x
   x = 3,102,970.29/1,600.56
6. Step 6: Final answer
   x = 1,938.68