Finding the Fourth Proportional to 65,173.42, 89,941.22 and 36,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,173.42 : 89,941.22 = 36,878.50 : x
2. Step 2: Convert to fraction form
   65,173.42/89,941.22 = 36,878.50/x
3. Step 3: Cross multiply
   65,173.42x = 89,941.22 × 36,878.50
4. Step 4: Simplify right side
   65,173.42x = 3,316,897,281.77
5. Step 5: Solve for x
   x = 3,316,897,281.77/65,173.42
6. Step 6: Final answer
   x = 50,893.41