Finding the Fourth Proportional to 22,912,875,291.98, 31,618,058,568.81 and 12,886,433,036.66

Step by Step Solution

1. Step 1: Write the proportion equation
   22,912,875,291.98 : 31,618,058,568.81 = 12,886,433,036.66 : x
2. Step 2: Convert to fraction form
   22,912,875,291.98/31,618,058,568.81 = 12,886,433,036.66/x
3. Step 3: Cross multiply
   22,912,875,291.98x = 31,618,058,568.81 × 12,886,433,036.66
4. Step 4: Simplify right side
   22,912,875,291.98x = 407,443,994,496,163,971,072
5. Step 5: Solve for x
   x = 407,443,994,496,163,971,072/22,912,875,291.98
6. Step 6: Final answer
   x = 17,782,316,243.77