Finding the Fourth Proportional to 1,084.91, 1,487.41 and 1,065.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.91 : 1,487.41 = 1,065.22 : x
2. Step 2: Convert to fraction form
   1,084.91/1,487.41 = 1,065.22/x
3. Step 3: Cross multiply
   1,084.91x = 1,487.41 × 1,065.22
4. Step 4: Simplify right side
   1,084.91x = 1,584,412.50
5. Step 5: Solve for x
   x = 1,584,412.50/1,084.91
6. Step 6: Final answer
   x = 1,460.42