Finding the Fourth Proportional to 2,214.55, 3,055.35 and 1,429.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.55 : 3,055.35 = 1,429.12 : x
2. Step 2: Convert to fraction form
   2,214.55/3,055.35 = 1,429.12/x
3. Step 3: Cross multiply
   2,214.55x = 3,055.35 × 1,429.12
4. Step 4: Simplify right side
   2,214.55x = 4,366,461.79
5. Step 5: Solve for x
   x = 4,366,461.79/2,214.55
6. Step 6: Final answer
   x = 1,971.72