Finding the Fourth Proportional to 22,545,739,169.05, 31,113,192,754.42 and 12,521,234,016.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,545,739,169.05 : 31,113,192,754.42 = 12,521,234,016.18 : x
2. Step 2: Convert to fraction form
   22,545,739,169.05/31,113,192,754.42 = 12,521,234,016.18/x
3. Step 3: Cross multiply
   22,545,739,169.05x = 31,113,192,754.42 × 12,521,234,016.18
4. Step 4: Simplify right side
   22,545,739,169.05x = 389,575,567,468,608,815,104
5. Step 5: Solve for x
   x = 389,575,567,468,608,815,104/22,545,739,169.05
6. Step 6: Final answer
   x = 17,279,343,318.38