Finding the Fourth Proportional to 1,547.37, 2,133.95 and 1,435.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547.37 : 2,133.95 = 1,435.59 : x
2. Step 2: Convert to fraction form
   1,547.37/2,133.95 = 1,435.59/x
3. Step 3: Cross multiply
   1,547.37x = 2,133.95 × 1,435.59
4. Step 4: Simplify right side
   1,547.37x = 3,063,470.10
5. Step 5: Solve for x
   x = 3,063,470.10/1,547.37
6. Step 6: Final answer
   x = 1,979.79