Finding the Fourth Proportional to 31,866,773,377.98, 43,980,003,478.20 and 18,136,904,855.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,866,773,377.98 : 43,980,003,478.20 = 18,136,904,855.88 : x
2. Step 2: Convert to fraction form
   31,866,773,377.98/43,980,003,478.20 = 18,136,904,855.88/x
3. Step 3: Cross multiply
   31,866,773,377.98x = 43,980,003,478.20 × 18,136,904,855.88
4. Step 4: Simplify right side
   31,866,773,377.98x = 797,661,138,645,384,822,784
5. Step 5: Solve for x
   x = 797,661,138,645,384,822,784/31,866,773,377.98
6. Step 6: Final answer
   x = 25,031,123,458.41