Finding the Fourth Proportional to 65,011.68, 89,662.68 and 45,955.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,011.68 : 89,662.68 = 45,955.62 : x
2. Step 2: Convert to fraction form
   65,011.68/89,662.68 = 45,955.62/x
3. Step 3: Cross multiply
   65,011.68x = 89,662.68 × 45,955.62
4. Step 4: Simplify right side
   65,011.68x = 4,120,504,050.26
5. Step 5: Solve for x
   x = 4,120,504,050.26/65,011.68
6. Step 6: Final answer
   x = 63,380.98