Finding the Fourth Proportional to 2,956,558.10, 4,434,837.15 and 826,638.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,956,558.10 : 4,434,837.15 = 826,638.80 : x
2. Step 2: Convert to fraction form
   2,956,558.10/4,434,837.15 = 826,638.80/x
3. Step 3: Cross multiply
   2,956,558.10x = 4,434,837.15 × 826,638.80
4. Step 4: Simplify right side
   2,956,558.10x = 3,666,008,459,871.42
5. Step 5: Solve for x
   x = 3,666,008,459,871.42/2,956,558.10
6. Step 6: Final answer
   x = 1,239,958.20