Finding the Fourth Proportional to 89,393.48, 123,364.86 and 49,109.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,393.48 : 123,364.86 = 49,109.75 : x
2. Step 2: Convert to fraction form
   89,393.48/123,364.86 = 49,109.75/x
3. Step 3: Cross multiply
   89,393.48x = 123,364.86 × 49,109.75
4. Step 4: Simplify right side
   89,393.48x = 6,058,417,433.39
5. Step 5: Solve for x
   x = 6,058,417,433.39/89,393.48
6. Step 6: Final answer
   x = 67,772.48