Finding the Fourth Proportional to 117,633.47, 162,333.86 and 63,918.48

Step by Step Solution

1. Step 1: Write the proportion equation
   117,633.47 : 162,333.86 = 63,918.48 : x
2. Step 2: Convert to fraction form
   117,633.47/162,333.86 = 63,918.48/x
3. Step 3: Cross multiply
   117,633.47x = 162,333.86 × 63,918.48
4. Step 4: Simplify right side
   117,633.47x = 10,376,132,612.27
5. Step 5: Solve for x
   x = 10,376,132,612.27/117,633.47
6. Step 6: Final answer
   x = 88,207.31