Finding the Fourth Proportional to 117,683.84, 162,404.79 and 63,969

Step by Step Solution

1. Step 1: Write the proportion equation
   117,683.84 : 162,404.79 = 63,969 : x
2. Step 2: Convert to fraction form
   117,683.84/162,404.79 = 63,969/x
3. Step 3: Cross multiply
   117,683.84x = 162,404.79 × 63,969
4. Step 4: Simplify right side
   117,683.84x = 10,388,872,011.51
5. Step 5: Solve for x
   x = 10,388,872,011.51/117,683.84
6. Step 6: Final answer
   x = 88,277.81