Finding the Fourth Proportional to 37,043.81, 51,119.94 and 21,128.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,043.81 : 51,119.94 = 21,128.52 : x
2. Step 2: Convert to fraction form
   37,043.81/51,119.94 = 21,128.52/x
3. Step 3: Cross multiply
   37,043.81x = 51,119.94 × 21,128.52
4. Step 4: Simplify right side
   37,043.81x = 1,080,088,674.69
5. Step 5: Solve for x
   x = 1,080,088,674.69/37,043.81
6. Step 6: Final answer
   x = 29,157.06