Finding the Fourth Proportional to 10,642.99, 14,687.31 and 5,928.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,642.99 : 14,687.31 = 5,928.39 : x
2. Step 2: Convert to fraction form
   10,642.99/14,687.31 = 5,928.39/x
3. Step 3: Cross multiply
   10,642.99x = 14,687.31 × 5,928.39
4. Step 4: Simplify right side
   10,642.99x = 87,072,101.73
5. Step 5: Solve for x
   x = 87,072,101.73/10,642.99
6. Step 6: Final answer
   x = 8,181.17