Finding the Fourth Proportional to 12,261,610,886.56, 18,404,044,318.32 and 7,589,351,727.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,261,610,886.56 : 18,404,044,318.32 = 7,589,351,727.52 : x
2. Step 2: Convert to fraction form
   12,261,610,886.56/18,404,044,318.32 = 7,589,351,727.52/x
3. Step 3: Cross multiply
   12,261,610,886.56x = 18,404,044,318.32 × 7,589,351,727.52
4. Step 4: Simplify right side
   12,261,610,886.56x = 139,674,765,540,596,531,200
5. Step 5: Solve for x
   x = 139,674,765,540,596,531,200/12,261,610,886.56
6. Step 6: Final answer
   x = 11,391,224,760.99