Finding the Fourth Proportional to 49,164.82, 73,747.30 and 21,066.65

Step by Step Solution

1. Step 1: Write the proportion equation
   49,164.82 : 73,747.30 = 21,066.65 : x
2. Step 2: Convert to fraction form
   49,164.82/73,747.30 = 21,066.65/x
3. Step 3: Cross multiply
   49,164.82x = 73,747.30 × 21,066.65
4. Step 4: Simplify right side
   49,164.82x = 1,553,608,557.55
5. Step 5: Solve for x
   x = 1,553,608,557.55/49,164.82
6. Step 6: Final answer
   x = 31,600.00