Finding the Fourth Proportional to 1,934.52, 2,669.72 and 1,188.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.52 : 2,669.72 = 1,188.33 : x
2. Step 2: Convert to fraction form
   1,934.52/2,669.72 = 1,188.33/x
3. Step 3: Cross multiply
   1,934.52x = 2,669.72 × 1,188.33
4. Step 4: Simplify right side
   1,934.52x = 3,172,502.43
5. Step 5: Solve for x
   x = 3,172,502.43/1,934.52
6. Step 6: Final answer
   x = 1,639.94