Finding the Fourth Proportional to 117,018.67, 161,485.63 and 63,303.56

Step by Step Solution

1. Step 1: Write the proportion equation
   117,018.67 : 161,485.63 = 63,303.56 : x
2. Step 2: Convert to fraction form
   117,018.67/161,485.63 = 63,303.56/x
3. Step 3: Cross multiply
   117,018.67x = 161,485.63 × 63,303.56
4. Step 4: Simplify right side
   117,018.67x = 10,222,615,513.30
5. Step 5: Solve for x
   x = 10,222,615,513.30/117,018.67
6. Step 6: Final answer
   x = 87,358.84