Finding the Fourth Proportional to 89,467.31, 123,464.50 and 48,631.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,467.31 : 123,464.50 = 48,631.81 : x
2. Step 2: Convert to fraction form
   89,467.31/123,464.50 = 48,631.81/x
3. Step 3: Cross multiply
   89,467.31x = 123,464.50 × 48,631.81
4. Step 4: Simplify right side
   89,467.31x = 6,004,302,227.92
5. Step 5: Solve for x
   x = 6,004,302,227.92/89,467.31
6. Step 6: Final answer
   x = 67,111.69