Finding the Fourth Proportional to 37,856.79, 52,240.50 and 21,946.41

Step by Step Solution

1. Step 1: Write the proportion equation
   37,856.79 : 52,240.50 = 21,946.41 : x
2. Step 2: Convert to fraction form
   37,856.79/52,240.50 = 21,946.41/x
3. Step 3: Cross multiply
   37,856.79x = 52,240.50 × 21,946.41
4. Step 4: Simplify right side
   37,856.79x = 1,146,491,431.61
5. Step 5: Solve for x
   x = 1,146,491,431.61/37,856.79
6. Step 6: Final answer
   x = 30,284.96