Finding the Fourth Proportional to 10,403,192,498.29, 14,356,405,742.77 and 5,645,468,366.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,403,192,498.29 : 14,356,405,742.77 = 5,645,468,366.12 : x
2. Step 2: Convert to fraction form
   10,403,192,498.29/14,356,405,742.77 = 5,645,468,366.12/x
3. Step 3: Cross multiply
   10,403,192,498.29x = 14,356,405,742.77 × 5,645,468,366.12
4. Step 4: Simplify right side
   10,403,192,498.29x = 81,048,634,472,031,633,408
5. Step 5: Solve for x
   x = 81,048,634,472,031,633,408/10,403,192,498.29
6. Step 6: Final answer
   x = 7,790,746,396.88