Finding the Fourth Proportional to 114,630.32, 171,692.76 and 89,630.48

Step by Step Solution

1. Step 1: Write the proportion equation
   114,630.32 : 171,692.76 = 89,630.48 : x
2. Step 2: Convert to fraction form
   114,630.32/171,692.76 = 89,630.48/x
3. Step 3: Cross multiply
   114,630.32x = 171,692.76 × 89,630.48
4. Step 4: Simplify right side
   114,630.32x = 15,388,904,491.32
5. Step 5: Solve for x
   x = 15,388,904,491.32/114,630.32
6. Step 6: Final answer
   x = 134,248.12