Finding the Fourth Proportional to 2,899.37, 3,994.69 and 1,902.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,899.37 : 3,994.69 = 1,902.92 : x
2. Step 2: Convert to fraction form
   2,899.37/3,994.69 = 1,902.92/x
3. Step 3: Cross multiply
   2,899.37x = 3,994.69 × 1,902.92
4. Step 4: Simplify right side
   2,899.37x = 7,601,570.92
5. Step 5: Solve for x
   x = 7,601,570.92/2,899.37
6. Step 6: Final answer
   x = 2,621.80