Finding the Fourth Proportional to 2,577.34, 3,554.04 and 1,529.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.34 : 3,554.04 = 1,529.20 : x
2. Step 2: Convert to fraction form
   2,577.34/3,554.04 = 1,529.20/x
3. Step 3: Cross multiply
   2,577.34x = 3,554.04 × 1,529.20
4. Step 4: Simplify right side
   2,577.34x = 5,434,837.97
5. Step 5: Solve for x
   x = 5,434,837.97/2,577.34
6. Step 6: Final answer
   x = 2,108.70