Finding the Fourth Proportional to 2,554.72, 3,525.43 and 1,435.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.72 : 3,525.43 = 1,435.63 : x
2. Step 2: Convert to fraction form
   2,554.72/3,525.43 = 1,435.63/x
3. Step 3: Cross multiply
   2,554.72x = 3,525.43 × 1,435.63
4. Step 4: Simplify right side
   2,554.72x = 5,061,213.07
5. Step 5: Solve for x
   x = 5,061,213.07/2,554.72
6. Step 6: Final answer
   x = 1,981.12