Finding the Fourth Proportional to 117,053.31, 161,533.04 and 63,339.27

Step by Step Solution

1. Step 1: Write the proportion equation
   117,053.31 : 161,533.04 = 63,339.27 : x
2. Step 2: Convert to fraction form
   117,053.31/161,533.04 = 63,339.27/x
3. Step 3: Cross multiply
   117,053.31x = 161,533.04 × 63,339.27
4. Step 4: Simplify right side
   117,053.31x = 10,231,384,834.48
5. Step 5: Solve for x
   x = 10,231,384,834.48/117,053.31
6. Step 6: Final answer
   x = 87,407.91