Finding the Fourth Proportional to 37,828, 52,202.72 and 21,064.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,828 : 52,202.72 = 21,064.96 : x
2. Step 2: Convert to fraction form
   37,828/52,202.72 = 21,064.96/x
3. Step 3: Cross multiply
   37,828x = 52,202.72 × 21,064.96
4. Step 4: Simplify right side
   37,828x = 1,099,648,208.69
5. Step 5: Solve for x
   x = 1,099,648,208.69/37,828
6. Step 6: Final answer
   x = 29,069.69