Finding the Fourth Proportional to 1,435.58, 1,979.06 and 1,124.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.58 : 1,979.06 = 1,124.54 : x
2. Step 2: Convert to fraction form
   1,435.58/1,979.06 = 1,124.54/x
3. Step 3: Cross multiply
   1,435.58x = 1,979.06 × 1,124.54
4. Step 4: Simplify right side
   1,435.58x = 2,225,532.13
5. Step 5: Solve for x
   x = 2,225,532.13/1,435.58
6. Step 6: Final answer
   x = 1,550.27