Finding the Fourth Proportional to 37,142, 51,256.82 and 20,375

Step by Step Solution

1. Step 1: Write the proportion equation
   37,142 : 51,256.82 = 20,375 : x
2. Step 2: Convert to fraction form
   37,142/51,256.82 = 20,375/x
3. Step 3: Cross multiply
   37,142x = 51,256.82 × 20,375
4. Step 4: Simplify right side
   37,142x = 1,044,357,707.50
5. Step 5: Solve for x
   x = 1,044,357,707.50/37,142
6. Step 6: Final answer
   x = 28,117.97