Finding the Fourth Proportional to 117,519.50, 162,176.91 and 64,527.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,519.50 : 162,176.91 = 64,527.50 : x
2. Step 2: Convert to fraction form
   117,519.50/162,176.91 = 64,527.50/x
3. Step 3: Cross multiply
   117,519.50x = 162,176.91 × 64,527.50
4. Step 4: Simplify right side
   117,519.50x = 10,464,870,560.03
5. Step 5: Solve for x
   x = 10,464,870,560.03/117,519.50
6. Step 6: Final answer
   x = 89,047.95