Finding the Fourth Proportional to 3,111,402, 4,667,890.32 and 867,540

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111,402 : 4,667,890.32 = 867,540 : x
2. Step 2: Convert to fraction form
   3,111,402/4,667,890.32 = 867,540/x
3. Step 3: Cross multiply
   3,111,402x = 4,667,890.32 × 867,540
4. Step 4: Simplify right side
   3,111,402x = 4,049,581,568,212.80
5. Step 5: Solve for x
   x = 4,049,581,568,212.80/3,111,402
6. Step 6: Final answer
   x = 1,301,529.53