Finding the Fourth Proportional to 1,904.22, 2,627.55 and 1,158.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.22 : 2,627.55 = 1,158.21 : x
2. Step 2: Convert to fraction form
   1,904.22/2,627.55 = 1,158.21/x
3. Step 3: Cross multiply
   1,904.22x = 2,627.55 × 1,158.21
4. Step 4: Simplify right side
   1,904.22x = 3,043,254.69
5. Step 5: Solve for x
   x = 3,043,254.69/1,904.22
6. Step 6: Final answer
   x = 1,598.16