Finding the Fourth Proportional to 89,340.56, 123,292.32 and 49,056.92

Step by Step Solution

1. Step 1: Write the proportion equation
   89,340.56 : 123,292.32 = 49,056.92 : x
2. Step 2: Convert to fraction form
   89,340.56/123,292.32 = 49,056.92/x
3. Step 3: Cross multiply
   89,340.56x = 123,292.32 × 49,056.92
4. Step 4: Simplify right side
   89,340.56x = 6,048,341,478.85
5. Step 5: Solve for x
   x = 6,048,341,478.85/89,340.56
6. Step 6: Final answer
   x = 67,699.84