Finding the Fourth Proportional to 117,865.67, 162,654.12 and 64,150.74

Step by Step Solution

1. Step 1: Write the proportion equation
   117,865.67 : 162,654.12 = 64,150.74 : x
2. Step 2: Convert to fraction form
   117,865.67/162,654.12 = 64,150.74/x
3. Step 3: Cross multiply
   117,865.67x = 162,654.12 × 64,150.74
4. Step 4: Simplify right side
   117,865.67x = 10,434,382,162.05
5. Step 5: Solve for x
   x = 10,434,382,162.05/117,865.67
6. Step 6: Final answer
   x = 88,527.75