Finding the Fourth Proportional to 89,460.86, 123,454.61 and 49,173.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,460.86 : 123,454.61 = 49,173.76 : x
2. Step 2: Convert to fraction form
   89,460.86/123,454.61 = 49,173.76/x
3. Step 3: Cross multiply
   89,460.86x = 123,454.61 × 49,173.76
4. Step 4: Simplify right side
   89,460.86x = 6,070,727,040.01
5. Step 5: Solve for x
   x = 6,070,727,040.01/89,460.86
6. Step 6: Final answer
   x = 67,859.03