Finding the Fourth Proportional to 37,189.21, 51,327.71 and 21,057.46

Step by Step Solution

1. Step 1: Write the proportion equation
   37,189.21 : 51,327.71 = 21,057.46 : x
2. Step 2: Convert to fraction form
   37,189.21/51,327.71 = 21,057.46/x
3. Step 3: Cross multiply
   37,189.21x = 51,327.71 × 21,057.46
4. Step 4: Simplify right side
   37,189.21x = 1,080,831,200.22
5. Step 5: Solve for x
   x = 1,080,831,200.22/37,189.21
6. Step 6: Final answer
   x = 29,063.03