Finding the Fourth Proportional to 1,900.46, 2,621.88 and 1,154.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.46 : 2,621.88 = 1,154.15 : x
2. Step 2: Convert to fraction form
   1,900.46/2,621.88 = 1,154.15/x
3. Step 3: Cross multiply
   1,900.46x = 2,621.88 × 1,154.15
4. Step 4: Simplify right side
   1,900.46x = 3,026,042.80
5. Step 5: Solve for x
   x = 3,026,042.80/1,900.46
6. Step 6: Final answer
   x = 1,592.27