Finding the Fourth Proportional to 1,434.69, 1,976.10 and 1,102.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.69 : 1,976.10 = 1,102.48 : x
2. Step 2: Convert to fraction form
   1,434.69/1,976.10 = 1,102.48/x
3. Step 3: Cross multiply
   1,434.69x = 1,976.10 × 1,102.48
4. Step 4: Simplify right side
   1,434.69x = 2,178,610.73
5. Step 5: Solve for x
   x = 2,178,610.73/1,434.69
6. Step 6: Final answer
   x = 1,518.52