Finding the Fourth Proportional to 2,147,096.39, 2,961,757.58 and 1,287,157.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,096.39 : 2,961,757.58 = 1,287,157.05 : x
2. Step 2: Convert to fraction form
   2,147,096.39/2,961,757.58 = 1,287,157.05/x
3. Step 3: Cross multiply
   2,147,096.39x = 2,961,757.58 × 1,287,157.05
4. Step 4: Simplify right side
   2,147,096.39x = 3,812,247,143,052.15
5. Step 5: Solve for x
   x = 3,812,247,143,052.15/2,147,096.39
6. Step 6: Final answer
   x = 1,775,536.10