Finding the Fourth Proportional to 3,036.89, 4,557.06 and 1,188.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,036.89 : 4,557.06 = 1,188.15 : x
2. Step 2: Convert to fraction form
   3,036.89/4,557.06 = 1,188.15/x
3. Step 3: Cross multiply
   3,036.89x = 4,557.06 × 1,188.15
4. Step 4: Simplify right side
   3,036.89x = 5,414,470.84
5. Step 5: Solve for x
   x = 5,414,470.84/3,036.89
6. Step 6: Final answer
   x = 1,782.90