Finding the Fourth Proportional to 1,185.56, 1,632.30 and 1,045.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.56 : 1,632.30 = 1,045.16 : x
2. Step 2: Convert to fraction form
   1,185.56/1,632.30 = 1,045.16/x
3. Step 3: Cross multiply
   1,185.56x = 1,632.30 × 1,045.16
4. Step 4: Simplify right side
   1,185.56x = 1,706,014.67
5. Step 5: Solve for x
   x = 1,706,014.67/1,185.56
6. Step 6: Final answer
   x = 1,438.99