Finding the Fourth Proportional to 10,499, 14,488.62 and 5,783.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499 : 14,488.62 = 5,783.18 : x
2. Step 2: Convert to fraction form
   10,499/14,488.62 = 5,783.18/x
3. Step 3: Cross multiply
   10,499x = 14,488.62 × 5,783.18
4. Step 4: Simplify right side
   10,499x = 83,790,297.41
5. Step 5: Solve for x
   x = 83,790,297.41/10,499
6. Step 6: Final answer
   x = 7,980.79