Finding the Fourth Proportional to 12,441,905,878.71, 18,662,876,780.01 and 5,080,916,587.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,441,905,878.71 : 18,662,876,780.01 = 5,080,916,587.71 : x
2. Step 2: Convert to fraction form
   12,441,905,878.71/18,662,876,780.01 = 5,080,916,587.71/x
3. Step 3: Cross multiply
   12,441,905,878.71x = 18,662,876,780.01 × 5,080,916,587.71
4. Step 4: Simplify right side
   12,441,905,878.71x = 94,824,520,205,940,588,544
5. Step 5: Solve for x
   x = 94,824,520,205,940,588,544/12,441,905,878.71
6. Step 6: Final answer
   x = 7,621,382,216.71