Finding the Fourth Proportional to 2,541.72, 3,809.10 and 980.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.72 : 3,809.10 = 980.04 : x
2. Step 2: Convert to fraction form
   2,541.72/3,809.10 = 980.04/x
3. Step 3: Cross multiply
   2,541.72x = 3,809.10 × 980.04
4. Step 4: Simplify right side
   2,541.72x = 3,733,070.36
5. Step 5: Solve for x
   x = 3,733,070.36/2,541.72
6. Step 6: Final answer
   x = 1,468.72