Finding the Fourth Proportional to 10,854.54, 16,282.62 and 5,312.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,854.54 : 16,282.62 = 5,312.52 : x
2. Step 2: Convert to fraction form
   10,854.54/16,282.62 = 5,312.52/x
3. Step 3: Cross multiply
   10,854.54x = 16,282.62 × 5,312.52
4. Step 4: Simplify right side
   10,854.54x = 86,501,744.40
5. Step 5: Solve for x
   x = 86,501,744.40/10,854.54
6. Step 6: Final answer
   x = 7,969.18