Finding the Fourth Proportional to 11,555.00, 17,340.71 and 5,322.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,555.00 : 17,340.71 = 5,322.05 : x
2. Step 2: Convert to fraction form
   11,555.00/17,340.71 = 5,322.05/x
3. Step 3: Cross multiply
   11,555.00x = 17,340.71 × 5,322.05
4. Step 4: Simplify right side
   11,555.00x = 92,288,142.40
5. Step 5: Solve for x
   x = 92,288,142.40/11,555.00
6. Step 6: Final answer
   x = 7,986.86