Finding the Fourth Proportional to 37,044.25, 51,120.54 and 21,128.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,044.25 : 51,120.54 = 21,128.96 : x
2. Step 2: Convert to fraction form
   37,044.25/51,120.54 = 21,128.96/x
3. Step 3: Cross multiply
   37,044.25x = 51,120.54 × 21,128.96
4. Step 4: Simplify right side
   37,044.25x = 1,080,123,844.84
5. Step 5: Solve for x
   x = 1,080,123,844.84/37,044.25
6. Step 6: Final answer
   x = 29,157.67