Finding the Fourth Proportional to 2,122.04, 3,181.98 and 1,429.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122.04 : 3,181.98 = 1,429.76 : x
2. Step 2: Convert to fraction form
   2,122.04/3,181.98 = 1,429.76/x
3. Step 3: Cross multiply
   2,122.04x = 3,181.98 × 1,429.76
4. Step 4: Simplify right side
   2,122.04x = 4,549,467.72
5. Step 5: Solve for x
   x = 4,549,467.72/2,122.04
6. Step 6: Final answer
   x = 2,143.91