Finding the Fourth Proportional to 1,065,728,204.82, 1,595,475,072.63 and 621,713,235.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,728,204.82 : 1,595,475,072.63 = 621,713,235.15 : x
2. Step 2: Convert to fraction form
   1,065,728,204.82/1,595,475,072.63 = 621,713,235.15/x
3. Step 3: Cross multiply
   1,065,728,204.82x = 1,595,475,072.63 × 621,713,235.15
4. Step 4: Simplify right side
   1,065,728,204.82x = 991,927,969,005,978,496
5. Step 5: Solve for x
   x = 991,927,969,005,978,496/1,065,728,204.82
6. Step 6: Final answer
   x = 930,751,353.41