Finding the Fourth Proportional to 1,892.94, 2,837.30 and 1,429.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.94 : 2,837.30 = 1,429.21 : x
2. Step 2: Convert to fraction form
   1,892.94/2,837.30 = 1,429.21/x
3. Step 3: Cross multiply
   1,892.94x = 2,837.30 × 1,429.21
4. Step 4: Simplify right side
   1,892.94x = 4,055,093.93
5. Step 5: Solve for x
   x = 4,055,093.93/1,892.94
6. Step 6: Final answer
   x = 2,142.22