Finding the Fourth Proportional to 5,978.76, 8,969.56 and 1,874.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.76 : 8,969.56 = 1,874.76 : x
2. Step 2: Convert to fraction form
   5,978.76/8,969.56 = 1,874.76/x
3. Step 3: Cross multiply
   5,978.76x = 8,969.56 × 1,874.76
4. Step 4: Simplify right side
   5,978.76x = 16,815,772.31
5. Step 5: Solve for x
   x = 16,815,772.31/5,978.76
6. Step 6: Final answer
   x = 2,812.59