Finding the Fourth Proportional to 38,126.37, 52,617.96 and 21,131.31

Step by Step Solution

1. Step 1: Write the proportion equation
   38,126.37 : 52,617.96 = 21,131.31 : x
2. Step 2: Convert to fraction form
   38,126.37/52,617.96 = 21,131.31/x
3. Step 3: Cross multiply
   38,126.37x = 52,617.96 × 21,131.31
4. Step 4: Simplify right side
   38,126.37x = 1,111,886,424.33
5. Step 5: Solve for x
   x = 1,111,886,424.33/38,126.37
6. Step 6: Final answer
   x = 29,163.19