Finding the Fourth Proportional to 117,883.50, 162,679.23 and 64,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,883.50 : 162,679.23 = 64,891.50 : x
2. Step 2: Convert to fraction form
   117,883.50/162,679.23 = 64,891.50/x
3. Step 3: Cross multiply
   117,883.50x = 162,679.23 × 64,891.50
4. Step 4: Simplify right side
   117,883.50x = 10,556,499,253.55
5. Step 5: Solve for x
   x = 10,556,499,253.55/117,883.50
6. Step 6: Final answer
   x = 89,550.27