Finding the Fourth Proportional to 9,801.09, 14,681.30 and 4,788.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,801.09 : 14,681.30 = 4,788.33 : x
2. Step 2: Convert to fraction form
   9,801.09/14,681.30 = 4,788.33/x
3. Step 3: Cross multiply
   9,801.09x = 14,681.30 × 4,788.33
4. Step 4: Simplify right side
   9,801.09x = 70,298,939.75
5. Step 5: Solve for x
   x = 70,298,939.75/9,801.09
6. Step 6: Final answer
   x = 7,172.56