Finding the Fourth Proportional to 2,429.89, 3,354.86 and 1,869.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.89 : 3,354.86 = 1,869.37 : x
2. Step 2: Convert to fraction form
   2,429.89/3,354.86 = 1,869.37/x
3. Step 3: Cross multiply
   2,429.89x = 3,354.86 × 1,869.37
4. Step 4: Simplify right side
   2,429.89x = 6,271,460.07
5. Step 5: Solve for x
   x = 6,271,460.07/2,429.89
6. Step 6: Final answer
   x = 2,580.97