Finding the Fourth Proportional to 2,175.91, 3,263.83 and 715.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.91 : 3,263.83 = 715.04 : x
2. Step 2: Convert to fraction form
   2,175.91/3,263.83 = 715.04/x
3. Step 3: Cross multiply
   2,175.91x = 3,263.83 × 715.04
4. Step 4: Simplify right side
   2,175.91x = 2,333,769.00
5. Step 5: Solve for x
   x = 2,333,769.00/2,175.91
6. Step 6: Final answer
   x = 1,072.55