Finding the Fourth Proportional to 1,900.41, 2,620.59 and 1,154.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.41 : 2,620.59 = 1,154.09 : x
2. Step 2: Convert to fraction form
   1,900.41/2,620.59 = 1,154.09/x
3. Step 3: Cross multiply
   1,900.41x = 2,620.59 × 1,154.09
4. Step 4: Simplify right side
   1,900.41x = 3,024,398.94
5. Step 5: Solve for x
   x = 3,024,398.94/1,900.41
6. Step 6: Final answer
   x = 1,591.45