Finding the Fourth Proportional to 2,689,136, 4,034,492.32 and 867,464.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,136 : 4,034,492.32 = 867,464.56 : x
2. Step 2: Convert to fraction form
   2,689,136/4,034,492.32 = 867,464.56/x
3. Step 3: Cross multiply
   2,689,136x = 4,034,492.32 × 867,464.56
4. Step 4: Simplify right side
   2,689,136x = 3,499,779,105,192.18
5. Step 5: Solve for x
   x = 3,499,779,105,192.18/2,689,136
6. Step 6: Final answer
   x = 1,301,451.14