Finding the Fourth Proportional to 117,150.18, 161,667.35 and 63,435.24

Step by Step Solution

1. Step 1: Write the proportion equation
   117,150.18 : 161,667.35 = 63,435.24 : x
2. Step 2: Convert to fraction form
   117,150.18/161,667.35 = 63,435.24/x
3. Step 3: Cross multiply
   117,150.18x = 161,667.35 × 63,435.24
4. Step 4: Simplify right side
   117,150.18x = 10,255,406,830.24
5. Step 5: Solve for x
   x = 10,255,406,830.24/117,150.18
6. Step 6: Final answer
   x = 87,540.68