Finding the Fourth Proportional to 117,111.63, 161,612.96 and 63,395.27

Step by Step Solution

1. Step 1: Write the proportion equation
   117,111.63 : 161,612.96 = 63,395.27 : x
2. Step 2: Convert to fraction form
   117,111.63/161,612.96 = 63,395.27/x
3. Step 3: Cross multiply
   117,111.63x = 161,612.96 × 63,395.27
4. Step 4: Simplify right side
   117,111.63x = 10,245,496,715.71
5. Step 5: Solve for x
   x = 10,245,496,715.71/117,111.63
6. Step 6: Final answer
   x = 87,484.88