Finding the Fourth Proportional to 2,146.41, 3,219.76 and 1,158.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.41 : 3,219.76 = 1,158.01 : x
2. Step 2: Convert to fraction form
   2,146.41/3,219.76 = 1,158.01/x
3. Step 3: Cross multiply
   2,146.41x = 3,219.76 × 1,158.01
4. Step 4: Simplify right side
   2,146.41x = 3,728,514.28
5. Step 5: Solve for x
   x = 3,728,514.28/2,146.41
6. Step 6: Final answer
   x = 1,737.09