Finding the Fourth Proportional to 1,435,395,209.50, 1,980,846,186.15 and 775,345,493.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,395,209.50 : 1,980,846,186.15 = 775,345,493.98 : x
2. Step 2: Convert to fraction form
   1,435,395,209.50/1,980,846,186.15 = 775,345,493.98/x
3. Step 3: Cross multiply
   1,435,395,209.50x = 1,980,846,186.15 × 775,345,493.98
4. Step 4: Simplify right side
   1,435,395,209.50x = 1,535,840,164,698,870,784
5. Step 5: Solve for x
   x = 1,535,840,164,698,870,784/1,435,395,209.50
6. Step 6: Final answer
   x = 1,069,977,212.22