Finding the Fourth Proportional to 89,362.72, 123,322.73 and 48,528.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,362.72 : 123,322.73 = 48,528.60 : x
2. Step 2: Convert to fraction form
   89,362.72/123,322.73 = 48,528.60/x
3. Step 3: Cross multiply
   89,362.72x = 123,322.73 × 48,528.60
4. Step 4: Simplify right side
   89,362.72x = 5,984,679,435.08
5. Step 5: Solve for x
   x = 5,984,679,435.08/89,362.72
6. Step 6: Final answer
   x = 66,970.65