Finding the Fourth Proportional to 2,873.51, 4,308.06 and 1,312.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873.51 : 4,308.06 = 1,312.43 : x
2. Step 2: Convert to fraction form
   2,873.51/4,308.06 = 1,312.43/x
3. Step 3: Cross multiply
   2,873.51x = 4,308.06 × 1,312.43
4. Step 4: Simplify right side
   2,873.51x = 5,654,005.65
5. Step 5: Solve for x
   x = 5,654,005.65/2,873.51
6. Step 6: Final answer
   x = 1,967.63