Finding the Fourth Proportional to 1,478.69, 2,041.27 and 1,053.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478.69 : 2,041.27 = 1,053.61 : x
2. Step 2: Convert to fraction form
   1,478.69/2,041.27 = 1,053.61/x
3. Step 3: Cross multiply
   1,478.69x = 2,041.27 × 1,053.61
4. Step 4: Simplify right side
   1,478.69x = 2,150,702.48
5. Step 5: Solve for x
   x = 2,150,702.48/1,478.69
6. Step 6: Final answer
   x = 1,454.46