Finding the Fourth Proportional to 2,101.50, 3,152.52 and 715.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.50 : 3,152.52 = 715.23 : x
2. Step 2: Convert to fraction form
   2,101.50/3,152.52 = 715.23/x
3. Step 3: Cross multiply
   2,101.50x = 3,152.52 × 715.23
4. Step 4: Simplify right side
   2,101.50x = 2,254,776.88
5. Step 5: Solve for x
   x = 2,254,776.88/2,101.50
6. Step 6: Final answer
   x = 1,072.94