Finding the Fourth Proportional to 10,998.16, 16,499.16 and 4,842

Step by Step Solution

1. Step 1: Write the proportion equation
   10,998.16 : 16,499.16 = 4,842 : x
2. Step 2: Convert to fraction form
   10,998.16/16,499.16 = 4,842/x
3. Step 3: Cross multiply
   10,998.16x = 16,499.16 × 4,842
4. Step 4: Simplify right side
   10,998.16x = 79,888,932.72
5. Step 5: Solve for x
   x = 79,888,932.72/10,998.16
6. Step 6: Final answer
   x = 7,263.85