Finding the Fourth Proportional to 10,499, 15,743.37 and 4,947.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499 : 15,743.37 = 4,947.62 : x
2. Step 2: Convert to fraction form
   10,499/15,743.37 = 4,947.62/x
3. Step 3: Cross multiply
   10,499x = 15,743.37 × 4,947.62
4. Step 4: Simplify right side
   10,499x = 77,892,212.28
5. Step 5: Solve for x
   x = 77,892,212.28/10,499
6. Step 6: Final answer
   x = 7,419.01