Finding the Fourth Proportional to 37,053.84, 51,133.72 and 21,138.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,053.84 : 51,133.72 = 21,138.52 : x
2. Step 2: Convert to fraction form
   37,053.84/51,133.72 = 21,138.52/x
3. Step 3: Cross multiply
   37,053.84x = 51,133.72 × 21,138.52
4. Step 4: Simplify right side
   37,053.84x = 1,080,891,162.89
5. Step 5: Solve for x
   x = 1,080,891,162.89/37,053.84
6. Step 6: Final answer
   x = 29,170.83