Finding the Fourth Proportional to 2,556,309,106.96, 3,527,672,075.72 and 1,427,296,260.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,309,106.96 : 3,527,672,075.72 = 1,427,296,260.56 : x
2. Step 2: Convert to fraction form
   2,556,309,106.96/3,527,672,075.72 = 1,427,296,260.56/x
3. Step 3: Cross multiply
   2,556,309,106.96x = 3,527,672,075.72 × 1,427,296,260.56
4. Step 4: Simplify right side
   2,556,309,106.96x = 5,035,033,162,157,088,768
5. Step 5: Solve for x
   x = 5,035,033,162,157,088,768/2,556,309,106.96
6. Step 6: Final answer
   x = 1,969,649,581.28