Finding the Fourth Proportional to 200,710,619.50, 276,958,189.98 and 111,406,328.21

Step by Step Solution

1. Step 1: Write the proportion equation
   200,710,619.50 : 276,958,189.98 = 111,406,328.21 : x
2. Step 2: Convert to fraction form
   200,710,619.50/276,958,189.98 = 111,406,328.21/x
3. Step 3: Cross multiply
   200,710,619.50x = 276,958,189.98 × 111,406,328.21
4. Step 4: Simplify right side
   200,710,619.50x = 30,854,895,013,587,720
5. Step 5: Solve for x
   x = 30,854,895,013,587,720/200,710,619.50
6. Step 6: Final answer
   x = 153,728,263.56