Finding the Fourth Proportional to 199,681,713.72, 275,571,409.50 and 111,577,850.10

Step by Step Solution

1. Step 1: Write the proportion equation
   199,681,713.72 : 275,571,409.50 = 111,577,850.10 : x
2. Step 2: Convert to fraction form
   199,681,713.72/275,571,409.50 = 111,577,850.10/x
3. Step 3: Cross multiply
   199,681,713.72x = 275,571,409.50 × 111,577,850.10
4. Step 4: Simplify right side
   199,681,713.72x = 30,747,665,421,036,716
5. Step 5: Solve for x
   x = 30,747,665,421,036,716/199,681,713.72
6. Step 6: Final answer
   x = 153,983,381.09