Finding the Fourth Proportional to 89,818.81, 123,948.23 and 49,536.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,818.81 : 123,948.23 = 49,536.30 : x
2. Step 2: Convert to fraction form
   89,818.81/123,948.23 = 49,536.30/x
3. Step 3: Cross multiply
   89,818.81x = 123,948.23 × 49,536.30
4. Step 4: Simplify right side
   89,818.81x = 6,139,936,086.01
5. Step 5: Solve for x
   x = 6,139,936,086.01/89,818.81
6. Step 6: Final answer
   x = 68,359.13