Finding the Fourth Proportional to 89,173.68, 123,059.40 and 48,889.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,173.68 : 123,059.40 = 48,889.12 : x
2. Step 2: Convert to fraction form
   89,173.68/123,059.40 = 48,889.12/x
3. Step 3: Cross multiply
   89,173.68x = 123,059.40 × 48,889.12
4. Step 4: Simplify right side
   89,173.68x = 6,016,265,773.73
5. Step 5: Solve for x
   x = 6,016,265,773.73/89,173.68
6. Step 6: Final answer
   x = 67,466.83