Finding the Fourth Proportional to 1,878.69, 2,816.10 and 951.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.69 : 2,816.10 = 951.43 : x
2. Step 2: Convert to fraction form
   1,878.69/2,816.10 = 951.43/x
3. Step 3: Cross multiply
   1,878.69x = 2,816.10 × 951.43
4. Step 4: Simplify right side
   1,878.69x = 2,679,322.02
5. Step 5: Solve for x
   x = 2,679,322.02/1,878.69
6. Step 6: Final answer
   x = 1,426.17