Finding the Fourth Proportional to 2,829.34, 3,905.82 and 1,886.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,829.34 : 3,905.82 = 1,886.70 : x
2. Step 2: Convert to fraction form
   2,829.34/3,905.82 = 1,886.70/x
3. Step 3: Cross multiply
   2,829.34x = 3,905.82 × 1,886.70
4. Step 4: Simplify right side
   2,829.34x = 7,369,110.59
5. Step 5: Solve for x
   x = 7,369,110.59/2,829.34
6. Step 6: Final answer
   x = 2,604.53