Finding the Fourth Proportional to 89,816.86, 123,945.01 and 49,530.03

Step by Step Solution

1. Step 1: Write the proportion equation
   89,816.86 : 123,945.01 = 49,530.03 : x
2. Step 2: Convert to fraction form
   89,816.86/123,945.01 = 49,530.03/x
3. Step 3: Cross multiply
   89,816.86x = 123,945.01 × 49,530.03
4. Step 4: Simplify right side
   89,816.86x = 6,139,000,063.65
5. Step 5: Solve for x
   x = 6,139,000,063.65/89,816.86
6. Step 6: Final answer
   x = 68,350.20