Finding the Fourth Proportional to 2,689,162.72, 4,034,532.65 and 867,491.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,162.72 : 4,034,532.65 = 867,491.19 : x
2. Step 2: Convert to fraction form
   2,689,162.72/4,034,532.65 = 867,491.19/x
3. Step 3: Cross multiply
   2,689,162.72x = 4,034,532.65 × 867,491.19
4. Step 4: Simplify right side
   2,689,162.72x = 3,499,921,529,642.35
5. Step 5: Solve for x
   x = 3,499,921,529,642.35/2,689,162.72
6. Step 6: Final answer
   x = 1,301,491.17