Finding the Fourth Proportional to 89,567.31, 123,605.87 and 49,284.03

Step by Step Solution

1. Step 1: Write the proportion equation
   89,567.31 : 123,605.87 = 49,284.03 : x
2. Step 2: Convert to fraction form
   89,567.31/123,605.87 = 49,284.03/x
3. Step 3: Cross multiply
   89,567.31x = 123,605.87 × 49,284.03
4. Step 4: Simplify right side
   89,567.31x = 6,091,795,158.84
5. Step 5: Solve for x
   x = 6,091,795,158.84/89,567.31
6. Step 6: Final answer
   x = 68,013.60