Finding the Fourth Proportional to 117,399.78, 162,007.29 and 63,683.01

Step by Step Solution

1. Step 1: Write the proportion equation
   117,399.78 : 162,007.29 = 63,683.01 : x
2. Step 2: Convert to fraction form
   117,399.78/162,007.29 = 63,683.01/x
3. Step 3: Cross multiply
   117,399.78x = 162,007.29 × 63,683.01
4. Step 4: Simplify right side
   117,399.78x = 10,317,111,869.14
5. Step 5: Solve for x
   x = 10,317,111,869.14/117,399.78
6. Step 6: Final answer
   x = 87,880.16