Finding the Fourth Proportional to 65,173, 89,938.82 and 36,878.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,173 : 89,938.82 = 36,878.12 : x
2. Step 2: Convert to fraction form
   65,173/89,938.82 = 36,878.12/x
3. Step 3: Cross multiply
   65,173x = 89,938.82 × 36,878.12
4. Step 4: Simplify right side
   65,173x = 3,316,774,596.62
5. Step 5: Solve for x
   x = 3,316,774,596.62/65,173
6. Step 6: Final answer
   x = 50,891.85