Finding the Fourth Proportional to 1,900.95, 2,621.81 and 1,154.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.95 : 2,621.81 = 1,154.89 : x
2. Step 2: Convert to fraction form
   1,900.95/2,621.81 = 1,154.89/x
3. Step 3: Cross multiply
   1,900.95x = 2,621.81 × 1,154.89
4. Step 4: Simplify right side
   1,900.95x = 3,027,889.82
5. Step 5: Solve for x
   x = 3,027,889.82/1,900.95
6. Step 6: Final answer
   x = 1,592.83