Finding the Fourth Proportional to 2,877.90, 4,315.94 and 1,234.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877.90 : 4,315.94 = 1,234.01 : x
2. Step 2: Convert to fraction form
   2,877.90/4,315.94 = 1,234.01/x
3. Step 3: Cross multiply
   2,877.90x = 4,315.94 × 1,234.01
4. Step 4: Simplify right side
   2,877.90x = 5,325,898.09
5. Step 5: Solve for x
   x = 5,325,898.09/2,877.90
6. Step 6: Final answer
   x = 1,850.62