Finding the Fourth Proportional to 49,151.86, 73,715.59 and 21,068.73

Step by Step Solution

1. Step 1: Write the proportion equation
   49,151.86 : 73,715.59 = 21,068.73 : x
2. Step 2: Convert to fraction form
   49,151.86/73,715.59 = 21,068.73/x
3. Step 3: Cross multiply
   49,151.86x = 73,715.59 × 21,068.73
4. Step 4: Simplify right side
   49,151.86x = 1,553,093,977.65
5. Step 5: Solve for x
   x = 1,553,093,977.65/49,151.86
6. Step 6: Final answer
   x = 31,597.87