Finding the Fourth Proportional to 89,219.50, 123,122.91 and 49,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,219.50 : 123,122.91 = 49,475.50 : x
2. Step 2: Convert to fraction form
   89,219.50/123,122.91 = 49,475.50/x
3. Step 3: Cross multiply
   89,219.50x = 123,122.91 × 49,475.50
4. Step 4: Simplify right side
   89,219.50x = 6,091,567,533.71
5. Step 5: Solve for x
   x = 6,091,567,533.71/89,219.50
6. Step 6: Final answer
   x = 68,276.19