Finding the Fourth Proportional to 37,141.50, 51,255.28 and 20,374.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,141.50 : 51,255.28 = 20,374.50 : x
2. Step 2: Convert to fraction form
   37,141.50/51,255.28 = 20,374.50/x
3. Step 3: Cross multiply
   37,141.50x = 51,255.28 × 20,374.50
4. Step 4: Simplify right side
   37,141.50x = 1,044,300,702.36
5. Step 5: Solve for x
   x = 1,044,300,702.36/37,141.50
6. Step 6: Final answer
   x = 28,116.82