Finding the Fourth Proportional to 117,744.14, 162,488.05 and 64,030.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,744.14 : 162,488.05 = 64,030.31 : x
2. Step 2: Convert to fraction form
   117,744.14/162,488.05 = 64,030.31/x
3. Step 3: Cross multiply
   117,744.14x = 162,488.05 × 64,030.31
4. Step 4: Simplify right side
   117,744.14x = 10,404,160,458.94
5. Step 5: Solve for x
   x = 10,404,160,458.94/117,744.14
6. Step 6: Final answer
   x = 88,362.45