Finding the Fourth Proportional to 89,497, 123,502.70 and 49,210.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89,497 : 123,502.70 = 49,210.48 : x
2. Step 2: Convert to fraction form
   89,497/123,502.70 = 49,210.48/x
3. Step 3: Cross multiply
   89,497x = 123,502.70 × 49,210.48
4. Step 4: Simplify right side
   89,497x = 6,077,627,148.30
5. Step 5: Solve for x
   x = 6,077,627,148.30/89,497
6. Step 6: Final answer
   x = 67,908.72