Finding the Fourth Proportional to 199,925,855.31, 275,895,640.56 and 111,819,642.69

Step by Step Solution

1. Step 1: Write the proportion equation
   199,925,855.31 : 275,895,640.56 = 111,819,642.69 : x
2. Step 2: Convert to fraction form
   199,925,855.31/275,895,640.56 = 111,819,642.69/x
3. Step 3: Cross multiply
   199,925,855.31x = 275,895,640.56 × 111,819,642.69
4. Step 4: Simplify right side
   199,925,855.31x = 30,850,551,947,147,872
5. Step 5: Solve for x
   x = 30,850,551,947,147,872/199,925,855.31
6. Step 6: Final answer
   x = 154,309,966.06