Finding the Fourth Proportional to 2,225.72, 3,072.52 and 1,588.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.72 : 3,072.52 = 1,588.15 : x
2. Step 2: Convert to fraction form
   2,225.72/3,072.52 = 1,588.15/x
3. Step 3: Cross multiply
   2,225.72x = 3,072.52 × 1,588.15
4. Step 4: Simplify right side
   2,225.72x = 4,879,628.46
5. Step 5: Solve for x
   x = 4,879,628.46/2,225.72
6. Step 6: Final answer
   x = 2,192.38