Finding the Fourth Proportional to 2,978.04, 4,466.88 and 926.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.04 : 4,466.88 = 926.04 : x
2. Step 2: Convert to fraction form
   2,978.04/4,466.88 = 926.04/x
3. Step 3: Cross multiply
   2,978.04x = 4,466.88 × 926.04
4. Step 4: Simplify right side
   2,978.04x = 4,136,509.56
5. Step 5: Solve for x
   x = 4,136,509.56/2,978.04
6. Step 6: Final answer
   x = 1,389.00