Finding the Fourth Proportional to 1,185.32, 1,784.39 and 1,066.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.32 : 1,784.39 = 1,066.25 : x
2. Step 2: Convert to fraction form
   1,185.32/1,784.39 = 1,066.25/x
3. Step 3: Cross multiply
   1,185.32x = 1,784.39 × 1,066.25
4. Step 4: Simplify right side
   1,185.32x = 1,902,605.84
5. Step 5: Solve for x
   x = 1,902,605.84/1,185.32
6. Step 6: Final answer
   x = 1,605.14