Finding the Fourth Proportional to 37,383.36, 51,588.72 and 20,616

Step by Step Solution

1. Step 1: Write the proportion equation
   37,383.36 : 51,588.72 = 20,616 : x
2. Step 2: Convert to fraction form
   37,383.36/51,588.72 = 20,616/x
3. Step 3: Cross multiply
   37,383.36x = 51,588.72 × 20,616
4. Step 4: Simplify right side
   37,383.36x = 1,063,553,051.52
5. Step 5: Solve for x
   x = 1,063,553,051.52/37,383.36
6. Step 6: Final answer
   x = 28,449.91