Finding the Fourth Proportional to 2,151.45, 2,967.99 and 1,354.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.45 : 2,967.99 = 1,354.41 : x
2. Step 2: Convert to fraction form
   2,151.45/2,967.99 = 1,354.41/x
3. Step 3: Cross multiply
   2,151.45x = 2,967.99 × 1,354.41
4. Step 4: Simplify right side
   2,151.45x = 4,019,875.34
5. Step 5: Solve for x
   x = 4,019,875.34/2,151.45
6. Step 6: Final answer
   x = 1,868.45