Finding the Fourth Proportional to 37,659.86, 51,968.87 and 20,663.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,659.86 : 51,968.87 = 20,663.69 : x
2. Step 2: Convert to fraction form
   37,659.86/51,968.87 = 20,663.69/x
3. Step 3: Cross multiply
   37,659.86x = 51,968.87 × 20,663.69
4. Step 4: Simplify right side
   37,659.86x = 1,073,868,333.66
5. Step 5: Solve for x
   x = 1,073,868,333.66/37,659.86
6. Step 6: Final answer
   x = 28,514.93