Finding the Fourth Proportional to 89,826.80, 123,964.06 and 49,541.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,826.80 : 123,964.06 = 49,541.80 : x
2. Step 2: Convert to fraction form
   89,826.80/123,964.06 = 49,541.80/x
3. Step 3: Cross multiply
   89,826.80x = 123,964.06 × 49,541.80
4. Step 4: Simplify right side
   89,826.80x = 6,141,402,667.71
5. Step 5: Solve for x
   x = 6,141,402,667.71/89,826.80
6. Step 6: Final answer
   x = 68,369.38