Finding the Fourth Proportional to 89,818.49, 123,947.88 and 49,535.99

Step by Step Solution

1. Step 1: Write the proportion equation
   89,818.49 : 123,947.88 = 49,535.99 : x
2. Step 2: Convert to fraction form
   89,818.49/123,947.88 = 49,535.99/x
3. Step 3: Cross multiply
   89,818.49x = 123,947.88 × 49,535.99
4. Step 4: Simplify right side
   89,818.49x = 6,139,880,944.20
5. Step 5: Solve for x
   x = 6,139,880,944.20/89,818.49
6. Step 6: Final answer
   x = 68,358.76