Finding the Fourth Proportional to 1,100.99, 1,645.54 and 1,013.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.99 : 1,645.54 = 1,013.45 : x
2. Step 2: Convert to fraction form
   1,100.99/1,645.54 = 1,013.45/x
3. Step 3: Cross multiply
   1,100.99x = 1,645.54 × 1,013.45
4. Step 4: Simplify right side
   1,100.99x = 1,667,661.75
5. Step 5: Solve for x
   x = 1,667,661.75/1,100.99
6. Step 6: Final answer
   x = 1,514.69