Finding the Fourth Proportional to 2,980.10, 4,466.78 and 1,130.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.10 : 4,466.78 = 1,130.06 : x
2. Step 2: Convert to fraction form
   2,980.10/4,466.78 = 1,130.06/x
3. Step 3: Cross multiply
   2,980.10x = 4,466.78 × 1,130.06
4. Step 4: Simplify right side
   2,980.10x = 5,047,729.41
5. Step 5: Solve for x
   x = 5,047,729.41/2,980.10
6. Step 6: Final answer
   x = 1,693.81