Finding the Fourth Proportional to 120,231,119.67, 165,919,266.71 and 65,226,976.17

Step by Step Solution

1. Step 1: Write the proportion equation
   120,231,119.67 : 165,919,266.71 = 65,226,976.17 : x
2. Step 2: Convert to fraction form
   120,231,119.67/165,919,266.71 = 65,226,976.17/x
3. Step 3: Cross multiply
   120,231,119.67x = 165,919,266.71 × 65,226,976.17
4. Step 4: Simplify right side
   120,231,119.67x = 10,822,412,055,837,046
5. Step 5: Solve for x
   x = 10,822,412,055,837,046/120,231,119.67
6. Step 6: Final answer
   x = 90,013,401.57