Finding the Fourth Proportional to 12,992,810,570.69, 17,929,614,670.88 and 7,353,905,353.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,992,810,570.69 : 17,929,614,670.88 = 7,353,905,353.29 : x
2. Step 2: Convert to fraction form
   12,992,810,570.69/17,929,614,670.88 = 7,353,905,353.29/x
3. Step 3: Cross multiply
   12,992,810,570.69x = 17,929,614,670.88 × 7,353,905,353.29
4. Step 4: Simplify right side
   12,992,810,570.69x = 131,852,689,310,626,054,144
5. Step 5: Solve for x
   x = 131,852,689,310,626,054,144/12,992,810,570.69
6. Step 6: Final answer
   x = 10,148,126,811.62