Finding the Fourth Proportional to 1,480.09, 2,042.13 and 1,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.09 : 2,042.13 = 1,200.10 : x
2. Step 2: Convert to fraction form
   1,480.09/2,042.13 = 1,200.10/x
3. Step 3: Cross multiply
   1,480.09x = 2,042.13 × 1,200.10
4. Step 4: Simplify right side
   1,480.09x = 2,450,760.21
5. Step 5: Solve for x
   x = 2,450,760.21/1,480.09
6. Step 6: Final answer
   x = 1,655.82