Finding the Fourth Proportional to 89,317.62, 123,250.55 and 49,031.33

Step by Step Solution

1. Step 1: Write the proportion equation
   89,317.62 : 123,250.55 = 49,031.33 : x
2. Step 2: Convert to fraction form
   89,317.62/123,250.55 = 49,031.33/x
3. Step 3: Cross multiply
   89,317.62x = 123,250.55 × 49,031.33
4. Step 4: Simplify right side
   89,317.62x = 6,043,137,528.32
5. Step 5: Solve for x
   x = 6,043,137,528.32/89,317.62
6. Step 6: Final answer
   x = 67,658.96