Finding the Fourth Proportional to 1,179.15, 1,766.15 and 1,076.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.15 : 1,766.15 = 1,076.01 : x
2. Step 2: Convert to fraction form
   1,179.15/1,766.15 = 1,076.01/x
3. Step 3: Cross multiply
   1,179.15x = 1,766.15 × 1,076.01
4. Step 4: Simplify right side
   1,179.15x = 1,900,395.06
5. Step 5: Solve for x
   x = 1,900,395.06/1,179.15
6. Step 6: Final answer
   x = 1,611.67