Finding the Fourth Proportional to 1,482.58, 2,221.71 and 1,072.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,482.58 : 2,221.71 = 1,072.59 : x
2. Step 2: Convert to fraction form
   1,482.58/2,221.71 = 1,072.59/x
3. Step 3: Cross multiply
   1,482.58x = 2,221.71 × 1,072.59
4. Step 4: Simplify right side
   1,482.58x = 2,382,983.93
5. Step 5: Solve for x
   x = 2,382,983.93/1,482.58
6. Step 6: Final answer
   x = 1,607.32