Finding the Fourth Proportional to 37,123.20, 55,688.40 and 10,828.17

Step by Step Solution

1. Step 1: Write the proportion equation
   37,123.20 : 55,688.40 = 10,828.17 : x
2. Step 2: Convert to fraction form
   37,123.20/55,688.40 = 10,828.17/x
3. Step 3: Cross multiply
   37,123.20x = 55,688.40 × 10,828.17
4. Step 4: Simplify right side
   37,123.20x = 603,003,462.23
5. Step 5: Solve for x
   x = 603,003,462.23/37,123.20
6. Step 6: Final answer
   x = 16,243.31