Finding the Fourth Proportional to 89,458.86, 123,453.54 and 49,176.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,458.86 : 123,453.54 = 49,176.12 : x
2. Step 2: Convert to fraction form
   89,458.86/123,453.54 = 49,176.12/x
3. Step 3: Cross multiply
   89,458.86x = 123,453.54 × 49,176.12
4. Step 4: Simplify right side
   89,458.86x = 6,070,966,097.46
5. Step 5: Solve for x
   x = 6,070,966,097.46/89,458.86
6. Step 6: Final answer
   x = 67,863.22