Finding the Fourth Proportional to 2,025.56, 2,792.40 and 1,435.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.56 : 2,792.40 = 1,435.88 : x
2. Step 2: Convert to fraction form
   2,025.56/2,792.40 = 1,435.88/x
3. Step 3: Cross multiply
   2,025.56x = 2,792.40 × 1,435.88
4. Step 4: Simplify right side
   2,025.56x = 4,009,551.31
5. Step 5: Solve for x
   x = 4,009,551.31/2,025.56
6. Step 6: Final answer
   x = 1,979.48