Finding the Fourth Proportional to 1,934.93, 2,670.16 and 1,138.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.93 : 2,670.16 = 1,138.34 : x
2. Step 2: Convert to fraction form
   1,934.93/2,670.16 = 1,138.34/x
3. Step 3: Cross multiply
   1,934.93x = 2,670.16 × 1,138.34
4. Step 4: Simplify right side
   1,934.93x = 3,039,530.89
5. Step 5: Solve for x
   x = 3,039,530.89/1,934.93
6. Step 6: Final answer
   x = 1,570.88