Finding the Fourth Proportional to 37,785.84, 52,144.56 and 21,018.84

Step by Step Solution

1. Step 1: Write the proportion equation
   37,785.84 : 52,144.56 = 21,018.84 : x
2. Step 2: Convert to fraction form
   37,785.84/52,144.56 = 21,018.84/x
3. Step 3: Cross multiply
   37,785.84x = 52,144.56 × 21,018.84
4. Step 4: Simplify right side
   37,785.84x = 1,096,018,163.51
5. Step 5: Solve for x
   x = 1,096,018,163.51/37,785.84
6. Step 6: Final answer
   x = 29,006.06