Finding the Fourth Proportional to 37,383.72, 51,587.18 and 21,456.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,383.72 : 51,587.18 = 21,456.96 : x
2. Step 2: Convert to fraction form
   37,383.72/51,587.18 = 21,456.96/x
3. Step 3: Cross multiply
   37,383.72x = 51,587.18 × 21,456.96
4. Step 4: Simplify right side
   37,383.72x = 1,106,904,057.77
5. Step 5: Solve for x
   x = 1,106,904,057.77/37,383.72
6. Step 6: Final answer
   x = 29,609.25