Finding the Fourth Proportional to 43,345.89, 65,012.94 and 11,757.98

Step by Step Solution

1. Step 1: Write the proportion equation
   43,345.89 : 65,012.94 = 11,757.98 : x
2. Step 2: Convert to fraction form
   43,345.89/65,012.94 = 11,757.98/x
3. Step 3: Cross multiply
   43,345.89x = 65,012.94 × 11,757.98
4. Step 4: Simplify right side
   43,345.89x = 764,421,010.79
5. Step 5: Solve for x
   x = 764,421,010.79/43,345.89
6. Step 6: Final answer
   x = 17,635.37