Finding the Fourth Proportional to 1,904.11, 2,627.98 and 1,158.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.11 : 2,627.98 = 1,158.57 : x
2. Step 2: Convert to fraction form
   1,904.11/2,627.98 = 1,158.57/x
3. Step 3: Cross multiply
   1,904.11x = 2,627.98 × 1,158.57
4. Step 4: Simplify right side
   1,904.11x = 3,044,695.89
5. Step 5: Solve for x
   x = 3,044,695.89/1,904.11
6. Step 6: Final answer
   x = 1,599.01