Finding the Fourth Proportional to 2,900.67, 4,354.83 and 2,387.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900.67 : 4,354.83 = 2,387.94 : x
2. Step 2: Convert to fraction form
   2,900.67/4,354.83 = 2,387.94/x
3. Step 3: Cross multiply
   2,900.67x = 4,354.83 × 2,387.94
4. Step 4: Simplify right side
   2,900.67x = 10,399,072.75
5. Step 5: Solve for x
   x = 10,399,072.75/2,900.67
6. Step 6: Final answer
   x = 3,585.06