Finding the Fourth Proportional to 21,561.10, 32,346.83 and 9,084.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,561.10 : 32,346.83 = 9,084.69 : x
2. Step 2: Convert to fraction form
   21,561.10/32,346.83 = 9,084.69/x
3. Step 3: Cross multiply
   21,561.10x = 32,346.83 × 9,084.69
4. Step 4: Simplify right side
   21,561.10x = 293,860,842.17
5. Step 5: Solve for x
   x = 293,860,842.17/21,561.10
6. Step 6: Final answer
   x = 13,629.22