Finding the Fourth Proportional to 89,461.86, 123,458.76 and 49,177.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,461.86 : 123,458.76 = 49,177.32 : x
2. Step 2: Convert to fraction form
   89,461.86/123,458.76 = 49,177.32/x
3. Step 3: Cross multiply
   89,461.86x = 123,458.76 × 49,177.32
4. Step 4: Simplify right side
   89,461.86x = 6,071,370,947.32
5. Step 5: Solve for x
   x = 6,071,370,947.32/89,461.86
6. Step 6: Final answer
   x = 67,865.47