Finding the Fourth Proportional to 12,723.48, 19,097.37 and 7,802.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,723.48 : 19,097.37 = 7,802.73 : x
2. Step 2: Convert to fraction form
   12,723.48/19,097.37 = 7,802.73/x
3. Step 3: Cross multiply
   12,723.48x = 19,097.37 × 7,802.73
4. Step 4: Simplify right side
   12,723.48x = 149,011,621.82
5. Step 5: Solve for x
   x = 149,011,621.82/12,723.48
6. Step 6: Final answer
   x = 11,711.55