Finding the Fourth Proportional to 117,150.39, 161,667.31 and 63,435.24

Step by Step Solution

1. Step 1: Write the proportion equation
   117,150.39 : 161,667.31 = 63,435.24 : x
2. Step 2: Convert to fraction form
   117,150.39/161,667.31 = 63,435.24/x
3. Step 3: Cross multiply
   117,150.39x = 161,667.31 × 63,435.24
4. Step 4: Simplify right side
   117,150.39x = 10,255,404,610.00
5. Step 5: Solve for x
   x = 10,255,404,610.00/117,150.39
6. Step 6: Final answer
   x = 87,540.51