Finding the Fourth Proportional to 2,114.02, 3,168.58 and 1,138.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.02 : 3,168.58 = 1,138.07 : x
2. Step 2: Convert to fraction form
   2,114.02/3,168.58 = 1,138.07/x
3. Step 3: Cross multiply
   2,114.02x = 3,168.58 × 1,138.07
4. Step 4: Simplify right side
   2,114.02x = 3,606,065.84
5. Step 5: Solve for x
   x = 3,606,065.84/2,114.02
6. Step 6: Final answer
   x = 1,705.79