Finding the Fourth Proportional to 65,162.90, 89,910.86 and 49,047.14

Step by Step Solution

1. Step 1: Write the proportion equation
   65,162.90 : 89,910.86 = 49,047.14 : x
2. Step 2: Convert to fraction form
   65,162.90/89,910.86 = 49,047.14/x
3. Step 3: Cross multiply
   65,162.90x = 89,910.86 × 49,047.14
4. Step 4: Simplify right side
   65,162.90x = 4,409,869,843.15
5. Step 5: Solve for x
   x = 4,409,869,843.15/65,162.90
6. Step 6: Final answer
   x = 67,674.55