Finding the Fourth Proportional to 7,581.73, 10,454.42 and 5,192.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,581.73 : 10,454.42 = 5,192.09 : x
2. Step 2: Convert to fraction form
   7,581.73/10,454.42 = 5,192.09/x
3. Step 3: Cross multiply
   7,581.73x = 10,454.42 × 5,192.09
4. Step 4: Simplify right side
   7,581.73x = 54,280,263.58
5. Step 5: Solve for x
   x = 54,280,263.58/7,581.73
6. Step 6: Final answer
   x = 7,159.36