Finding the Fourth Proportional to 2,978.06, 4,467.70 and 1,246.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.06 : 4,467.70 = 1,246.69 : x
2. Step 2: Convert to fraction form
   2,978.06/4,467.70 = 1,246.69/x
3. Step 3: Cross multiply
   2,978.06x = 4,467.70 × 1,246.69
4. Step 4: Simplify right side
   2,978.06x = 5,569,836.91
5. Step 5: Solve for x
   x = 5,569,836.91/2,978.06
6. Step 6: Final answer
   x = 1,870.29