Finding the Fourth Proportional to 2,875.48, 3,967.98 and 1,680.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.48 : 3,967.98 = 1,680.34 : x
2. Step 2: Convert to fraction form
   2,875.48/3,967.98 = 1,680.34/x
3. Step 3: Cross multiply
   2,875.48x = 3,967.98 × 1,680.34
4. Step 4: Simplify right side
   2,875.48x = 6,667,555.51
5. Step 5: Solve for x
   x = 6,667,555.51/2,875.48
6. Step 6: Final answer
   x = 2,318.76