Finding the Fourth Proportional to 49,137.52, 73,658.56 and 21,064.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,137.52 : 73,658.56 = 21,064.88 : x
2. Step 2: Convert to fraction form
   49,137.52/73,658.56 = 21,064.88/x
3. Step 3: Cross multiply
   49,137.52x = 73,658.56 × 21,064.88
4. Step 4: Simplify right side
   49,137.52x = 1,551,608,727.37
5. Step 5: Solve for x
   x = 1,551,608,727.37/49,137.52
6. Step 6: Final answer
   x = 31,576.86