Finding the Fourth Proportional to 2,429.98, 3,354.59 and 1,435.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.98 : 3,354.59 = 1,435.57 : x
2. Step 2: Convert to fraction form
   2,429.98/3,354.59 = 1,435.57/x
3. Step 3: Cross multiply
   2,429.98x = 3,354.59 × 1,435.57
4. Step 4: Simplify right side
   2,429.98x = 4,815,748.77
5. Step 5: Solve for x
   x = 4,815,748.77/2,429.98
6. Step 6: Final answer
   x = 1,981.81