Finding the Fourth Proportional to 37,715.94, 52,057.35 and 21,798.09

Step by Step Solution

1. Step 1: Write the proportion equation
   37,715.94 : 52,057.35 = 21,798.09 : x
2. Step 2: Convert to fraction form
   37,715.94/52,057.35 = 21,798.09/x
3. Step 3: Cross multiply
   37,715.94x = 52,057.35 × 21,798.09
4. Step 4: Simplify right side
   37,715.94x = 1,134,750,800.46
5. Step 5: Solve for x
   x = 1,134,750,800.46/37,715.94
6. Step 6: Final answer
   x = 30,086.77