Finding the Fourth Proportional to 89,474.93, 123,470.20 and 49,188.69

Step by Step Solution

1. Step 1: Write the proportion equation
   89,474.93 : 123,470.20 = 49,188.69 : x
2. Step 2: Convert to fraction form
   89,474.93/123,470.20 = 49,188.69/x
3. Step 3: Cross multiply
   89,474.93x = 123,470.20 × 49,188.69
4. Step 4: Simplify right side
   89,474.93x = 6,073,337,392.04
5. Step 5: Solve for x
   x = 6,073,337,392.04/89,474.93
6. Step 6: Final answer
   x = 67,877.53