Finding the Fourth Proportional to 9,801.12, 14,701.83 and 5,409.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,801.12 : 14,701.83 = 5,409.03 : x
2. Step 2: Convert to fraction form
   9,801.12/14,701.83 = 5,409.03/x
3. Step 3: Cross multiply
   9,801.12x = 14,701.83 × 5,409.03
4. Step 4: Simplify right side
   9,801.12x = 79,522,639.52
5. Step 5: Solve for x
   x = 79,522,639.52/9,801.12
6. Step 6: Final answer
   x = 8,113.63