Finding the Fourth Proportional to 37,662.48, 51,973.68 and 20,434.59

Step by Step Solution

1. Step 1: Write the proportion equation
   37,662.48 : 51,973.68 = 20,434.59 : x
2. Step 2: Convert to fraction form
   37,662.48/51,973.68 = 20,434.59/x
3. Step 3: Cross multiply
   37,662.48x = 51,973.68 × 20,434.59
4. Step 4: Simplify right side
   37,662.48x = 1,062,060,841.59
5. Step 5: Solve for x
   x = 1,062,060,841.59/37,662.48
6. Step 6: Final answer
   x = 28,199.44