Finding the Fourth Proportional to 37,715.58, 52,056.86 and 21,809.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,715.58 : 52,056.86 = 21,809.25 : x
2. Step 2: Convert to fraction form
   37,715.58/52,056.86 = 21,809.25/x
3. Step 3: Cross multiply
   37,715.58x = 52,056.86 × 21,809.25
4. Step 4: Simplify right side
   37,715.58x = 1,135,320,964.91
5. Step 5: Solve for x
   x = 1,135,320,964.91/37,715.58
6. Step 6: Final answer
   x = 30,102.17