Finding the Fourth Proportional to 57,923,891,809.05, 86,838,950,402.79 and 18,109,172,430.12

Step by Step Solution

1. Step 1: Write the proportion equation
   57,923,891,809.05 : 86,838,950,402.79 = 18,109,172,430.12 : x
2. Step 2: Convert to fraction form
   57,923,891,809.05/86,838,950,402.79 = 18,109,172,430.12/x
3. Step 3: Cross multiply
   57,923,891,809.05x = 86,838,950,402.79 × 18,109,172,430.12
4. Step 4: Simplify right side
   57,923,891,809.05x = 1,572,581,526,494,762,500,096
5. Step 5: Solve for x
   x = 1,572,581,526,494,762,500,096/57,923,891,809.05
6. Step 6: Final answer
   x = 27,149,099,920.27