Finding the Fourth Proportional to 117,379.98, 161,981.91 and 63,662.94

Step by Step Solution

1. Step 1: Write the proportion equation
   117,379.98 : 161,981.91 = 63,662.94 : x
2. Step 2: Convert to fraction form
   117,379.98/161,981.91 = 63,662.94/x
3. Step 3: Cross multiply
   117,379.98x = 161,981.91 × 63,662.94
4. Step 4: Simplify right side
   117,379.98x = 10,312,244,617.42
5. Step 5: Solve for x
   x = 10,312,244,617.42/117,379.98
6. Step 6: Final answer
   x = 87,853.52