Finding the Fourth Proportional to 65,709.55, 98,553.55 and 18,327.86

Step by Step Solution

1. Step 1: Write the proportion equation
   65,709.55 : 98,553.55 = 18,327.86 : x
2. Step 2: Convert to fraction form
   65,709.55/98,553.55 = 18,327.86/x
3. Step 3: Cross multiply
   65,709.55x = 98,553.55 × 18,327.86
4. Step 4: Simplify right side
   65,709.55x = 1,806,275,367.89
5. Step 5: Solve for x
   x = 1,806,275,367.89/65,709.55
6. Step 6: Final answer
   x = 27,488.78