Finding the Fourth Proportional to 8,899,156,680.74, 12,275,250,111.72 and 5,279,617,845.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,899,156,680.74 : 12,275,250,111.72 = 5,279,617,845.92 : x
2. Step 2: Convert to fraction form
   8,899,156,680.74/12,275,250,111.72 = 5,279,617,845.92/x
3. Step 3: Cross multiply
   8,899,156,680.74x = 12,275,250,111.72 × 5,279,617,845.92
4. Step 4: Simplify right side
   8,899,156,680.74x = 64,808,629,552,907,001,856
5. Step 5: Solve for x
   x = 64,808,629,552,907,001,856/8,899,156,680.74
6. Step 6: Final answer
   x = 7,282,558,547.73