Finding the Fourth Proportional to 117,867, 162,656.46 and 64,875

Step by Step Solution

1. Step 1: Write the proportion equation
   117,867 : 162,656.46 = 64,875 : x
2. Step 2: Convert to fraction form
   117,867/162,656.46 = 64,875/x
3. Step 3: Cross multiply
   117,867x = 162,656.46 × 64,875
4. Step 4: Simplify right side
   117,867x = 10,552,337,842.50
5. Step 5: Solve for x
   x = 10,552,337,842.50/117,867
6. Step 6: Final answer
   x = 89,527.50