Finding the Fourth Proportional to 117,150.87, 161,667.99 and 63,435.99

Step by Step Solution

1. Step 1: Write the proportion equation
   117,150.87 : 161,667.99 = 63,435.99 : x
2. Step 2: Convert to fraction form
   117,150.87/161,667.99 = 63,435.99/x
3. Step 3: Cross multiply
   117,150.87x = 161,667.99 × 63,435.99
4. Step 4: Simplify right side
   117,150.87x = 10,255,568,996.96
5. Step 5: Solve for x
   x = 10,255,568,996.96/117,150.87
6. Step 6: Final answer
   x = 87,541.55