Finding the Fourth Proportional to 1,303,550,561.49, 1,798,933,868.58 and 708,869,826.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,303,550,561.49 : 1,798,933,868.58 = 708,869,826.42 : x
2. Step 2: Convert to fraction form
   1,303,550,561.49/1,798,933,868.58 = 708,869,826.42/x
3. Step 3: Cross multiply
   1,303,550,561.49x = 1,798,933,868.58 × 708,869,826.42
4. Step 4: Simplify right side
   1,303,550,561.49x = 1,275,209,939,161,363,456
5. Step 5: Solve for x
   x = 1,275,209,939,161,363,456/1,303,550,561.49
6. Step 6: Final answer
   x = 978,258,900.60