Finding the Fourth Proportional to 37,147.69, 51,264.71 and 20,380.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,147.69 : 51,264.71 = 20,380.69 : x
2. Step 2: Convert to fraction form
   37,147.69/51,264.71 = 20,380.69/x
3. Step 3: Cross multiply
   37,147.69x = 51,264.71 × 20,380.69
4. Step 4: Simplify right side
   37,147.69x = 1,044,810,008.81
5. Step 5: Solve for x
   x = 1,044,810,008.81/37,147.69
6. Step 6: Final answer
   x = 28,125.84