Finding the Fourth Proportional to 1,904.47, 2,628.15 and 1,158.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.47 : 2,628.15 = 1,158.29 : x
2. Step 2: Convert to fraction form
   1,904.47/2,628.15 = 1,158.29/x
3. Step 3: Cross multiply
   1,904.47x = 2,628.15 × 1,158.29
4. Step 4: Simplify right side
   1,904.47x = 3,044,166.43
5. Step 5: Solve for x
   x = 3,044,166.43/1,904.47
6. Step 6: Final answer
   x = 1,598.43