Finding the Fourth Proportional to 117,975.50, 162,808.67 and 64,260.38

Step by Step Solution

1. Step 1: Write the proportion equation
   117,975.50 : 162,808.67 = 64,260.38 : x
2. Step 2: Convert to fraction form
   117,975.50/162,808.67 = 64,260.38/x
3. Step 3: Cross multiply
   117,975.50x = 162,808.67 × 64,260.38
4. Step 4: Simplify right side
   117,975.50x = 10,462,147,569.17
5. Step 5: Solve for x
   x = 10,462,147,569.17/117,975.50
6. Step 6: Final answer
   x = 88,680.68