Finding the Fourth Proportional to 65,173.55, 89,918.58 and 36,488.98

Step by Step Solution

1. Step 1: Write the proportion equation
   65,173.55 : 89,918.58 = 36,488.98 : x
2. Step 2: Convert to fraction form
   65,173.55/89,918.58 = 36,488.98/x
3. Step 3: Cross multiply
   65,173.55x = 89,918.58 × 36,488.98
4. Step 4: Simplify right side
   65,173.55x = 3,281,037,413.86
5. Step 5: Solve for x
   x = 3,281,037,413.86/65,173.55
6. Step 6: Final answer
   x = 50,343.09