Finding the Fourth Proportional to 2,978.04, 4,467.46 and 1,129.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.04 : 4,467.46 = 1,129.84 : x
2. Step 2: Convert to fraction form
   2,978.04/4,467.46 = 1,129.84/x
3. Step 3: Cross multiply
   2,978.04x = 4,467.46 × 1,129.84
4. Step 4: Simplify right side
   2,978.04x = 5,047,515.01
5. Step 5: Solve for x
   x = 5,047,515.01/2,978.04
6. Step 6: Final answer
   x = 1,694.91