Finding the Fourth Proportional to 1,904.41, 2,628.58 and 1,158.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.41 : 2,628.58 = 1,158.89 : x
2. Step 2: Convert to fraction form
   1,904.41/2,628.58 = 1,158.89/x
3. Step 3: Cross multiply
   1,904.41x = 2,628.58 × 1,158.89
4. Step 4: Simplify right side
   1,904.41x = 3,046,243.82
5. Step 5: Solve for x
   x = 3,046,243.82/1,904.41
6. Step 6: Final answer
   x = 1,599.57