Finding the Fourth Proportional to 19,123.57, 28,681.02 and 7,273.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,123.57 : 28,681.02 = 7,273.10 : x
2. Step 2: Convert to fraction form
   19,123.57/28,681.02 = 7,273.10/x
3. Step 3: Cross multiply
   19,123.57x = 28,681.02 × 7,273.10
4. Step 4: Simplify right side
   19,123.57x = 208,599,926.56
5. Step 5: Solve for x
   x = 208,599,926.56/19,123.57
6. Step 6: Final answer
   x = 10,908.00