Finding the Fourth Proportional to 1,934.27, 2,667.32 and 1,720.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.27 : 2,667.32 = 1,720.91 : x
2. Step 2: Convert to fraction form
   1,934.27/2,667.32 = 1,720.91/x
3. Step 3: Cross multiply
   1,934.27x = 2,667.32 × 1,720.91
4. Step 4: Simplify right side
   1,934.27x = 4,590,195.72
5. Step 5: Solve for x
   x = 4,590,195.72/1,934.27
6. Step 6: Final answer
   x = 2,373.10