Finding the Fourth Proportional to 12,261,610,887.56, 18,404,044,319.82 and 7,589,351,728.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,261,610,887.56 : 18,404,044,319.82 = 7,589,351,728.52 : x
2. Step 2: Convert to fraction form
   12,261,610,887.56/18,404,044,319.82 = 7,589,351,728.52/x
3. Step 3: Cross multiply
   12,261,610,887.56x = 18,404,044,319.82 × 7,589,351,728.52
4. Step 4: Simplify right side
   12,261,610,887.56x = 139,674,765,570,384,609,280
5. Step 5: Solve for x
   x = 139,674,765,570,384,609,280/12,261,610,887.56
6. Step 6: Final answer
   x = 11,391,224,762.49