Finding the Fourth Proportional to 37,867.72, 52,252.66 and 21,949.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,867.72 : 52,252.66 = 21,949.96 : x
2. Step 2: Convert to fraction form
   37,867.72/52,252.66 = 21,949.96/x
3. Step 3: Cross multiply
   37,867.72x = 52,252.66 × 21,949.96
4. Step 4: Simplify right side
   37,867.72x = 1,146,943,796.89
5. Step 5: Solve for x
   x = 1,146,943,796.89/37,867.72
6. Step 6: Final answer
   x = 30,288.17