Finding the Fourth Proportional to 1,904.54, 2,627.96 and 1,158.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.54 : 2,627.96 = 1,158.10 : x
2. Step 2: Convert to fraction form
   1,904.54/2,627.96 = 1,158.10/x
3. Step 3: Cross multiply
   1,904.54x = 2,627.96 × 1,158.10
4. Step 4: Simplify right side
   1,904.54x = 3,043,440.48
5. Step 5: Solve for x
   x = 3,043,440.48/1,904.54
6. Step 6: Final answer
   x = 1,597.99