Finding the Fourth Proportional to 65,102.56, 89,808.56 and 41,188.96

Step by Step Solution

1. Step 1: Write the proportion equation
   65,102.56 : 89,808.56 = 41,188.96 : x
2. Step 2: Convert to fraction form
   65,102.56/89,808.56 = 41,188.96/x
3. Step 3: Cross multiply
   65,102.56x = 89,808.56 × 41,188.96
4. Step 4: Simplify right side
   65,102.56x = 3,699,121,185.50
5. Step 5: Solve for x
   x = 3,699,121,185.50/65,102.56
6. Step 6: Final answer
   x = 56,819.90