Finding the Fourth Proportional to 2,876.81, 3,969.72 and 1,697.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.81 : 3,969.72 = 1,697.63 : x
2. Step 2: Convert to fraction form
   2,876.81/3,969.72 = 1,697.63/x
3. Step 3: Cross multiply
   2,876.81x = 3,969.72 × 1,697.63
4. Step 4: Simplify right side
   2,876.81x = 6,739,095.92
5. Step 5: Solve for x
   x = 6,739,095.92/2,876.81
6. Step 6: Final answer
   x = 2,342.56