Finding the Fourth Proportional to 37,456.59, 51,689.98 and 20,460.87

Step by Step Solution

1. Step 1: Write the proportion equation
   37,456.59 : 51,689.98 = 20,460.87 : x
2. Step 2: Convert to fraction form
   37,456.59/51,689.98 = 20,460.87/x
3. Step 3: Cross multiply
   37,456.59x = 51,689.98 × 20,460.87
4. Step 4: Simplify right side
   37,456.59x = 1,057,621,986.66
5. Step 5: Solve for x
   x = 1,057,621,986.66/37,456.59
6. Step 6: Final answer
   x = 28,235.94