Finding the Fourth Proportional to 37,123.50, 51,230.70 and 20,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,123.50 : 51,230.70 = 20,356.50 : x
2. Step 2: Convert to fraction form
   37,123.50/51,230.70 = 20,356.50/x
3. Step 3: Cross multiply
   37,123.50x = 51,230.70 × 20,356.50
4. Step 4: Simplify right side
   37,123.50x = 1,042,877,744.55
5. Step 5: Solve for x
   x = 1,042,877,744.55/37,123.50
6. Step 6: Final answer
   x = 28,092.12