Finding the Fourth Proportional to 37,715.31, 52,056.54 and 21,808.94

Step by Step Solution

1. Step 1: Write the proportion equation
   37,715.31 : 52,056.54 = 21,808.94 : x
2. Step 2: Convert to fraction form
   37,715.31/52,056.54 = 21,808.94/x
3. Step 3: Cross multiply
   37,715.31x = 52,056.54 × 21,808.94
4. Step 4: Simplify right side
   37,715.31x = 1,135,297,697.18
5. Step 5: Solve for x
   x = 1,135,297,697.18/37,715.31
6. Step 6: Final answer
   x = 30,101.77