Finding the Fourth Proportional to 2,360,147,143.20, 3,256,986,488.78 and 1,288,450,472.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360,147,143.20 : 3,256,986,488.78 = 1,288,450,472.98 : x
2. Step 2: Convert to fraction form
   2,360,147,143.20/3,256,986,488.78 = 1,288,450,472.98/x
3. Step 3: Cross multiply
   2,360,147,143.20x = 3,256,986,488.78 × 1,288,450,472.98
4. Step 4: Simplify right side
   2,360,147,143.20x = 4,196,465,781,953,138,688
5. Step 5: Solve for x
   x = 4,196,465,781,953,138,688/2,360,147,143.20
6. Step 6: Final answer
   x = 1,778,052,607.46