Finding the Fourth Proportional to 2,051.49, 3,072.65 and 954.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.49 : 3,072.65 = 954.21 : x
2. Step 2: Convert to fraction form
   2,051.49/3,072.65 = 954.21/x
3. Step 3: Cross multiply
   2,051.49x = 3,072.65 × 954.21
4. Step 4: Simplify right side
   2,051.49x = 2,931,948.59
5. Step 5: Solve for x
   x = 2,931,948.59/2,051.49
6. Step 6: Final answer
   x = 1,429.18