Finding the Fourth Proportional to 1,530.72, 2,284.92 and 1,401.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.72 : 2,284.92 = 1,401.12 : x
2. Step 2: Convert to fraction form
   1,530.72/2,284.92 = 1,401.12/x
3. Step 3: Cross multiply
   1,530.72x = 2,284.92 × 1,401.12
4. Step 4: Simplify right side
   1,530.72x = 3,201,447.11
5. Step 5: Solve for x
   x = 3,201,447.11/1,530.72
6. Step 6: Final answer
   x = 2,091.46