Finding the Fourth Proportional to 2,980.54, 4,470.60 and 1,225.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.54 : 4,470.60 = 1,225.07 : x
2. Step 2: Convert to fraction form
   2,980.54/4,470.60 = 1,225.07/x
3. Step 3: Cross multiply
   2,980.54x = 4,470.60 × 1,225.07
4. Step 4: Simplify right side
   2,980.54x = 5,476,791.82
5. Step 5: Solve for x
   x = 5,476,791.82/2,980.54
6. Step 6: Final answer
   x = 1,837.52