Finding the Fourth Proportional to 37,866.72, 52,251.28 and 21,948.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,866.72 : 52,251.28 = 21,948.96 : x
2. Step 2: Convert to fraction form
   37,866.72/52,251.28 = 21,948.96/x
3. Step 3: Cross multiply
   37,866.72x = 52,251.28 × 21,948.96
4. Step 4: Simplify right side
   37,866.72x = 1,146,861,254.67
5. Step 5: Solve for x
   x = 1,146,861,254.67/37,866.72
6. Step 6: Final answer
   x = 30,286.79